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161056006056 = 2332111271601209
BaseRepresentation
bin1001010111111110101…
…1111001111110101000
3120101201021021210222100
42111333223321332220
510114320314143211
6201553233053400
714431055315031
oct2257753717650
9511637253870
10161056006056
1162337a0a140
12272693b7260
1312258c85b8a
147b1bc7da88
1542c9533156
hex257faf9fa8

161056006056 has 96 divisors (see below), whose sum is σ = 479594419200. Its totient is φ = 48420529920.

The previous prime is 161056006039. The next prime is 161056006057. The reversal of 161056006056 is 650600650161.

161056006056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 161056006056.

It is not an unprimeable number, because it can be changed into a prime (161056006057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 700021 + ... + 901188.

It is an arithmetic number, because the mean of its divisors is an integer number (4995775200).

Almost surely, 2161056006056 is an apocalyptic number.

It is an amenable number.

161056006056 is an abundant number, since it is smaller than the sum of its proper divisors (318538413144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161056006056 is a wasteful number, since it uses less digits than its factorization.

161056006056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1601359 (or 1601352 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 161056006056 in words is "one hundred sixty-one billion, fifty-six million, six thousand, fifty-six".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 33 36 44 66 72 88 99 127 132 198 254 264 381 396 508 762 792 1016 1143 1397 1524 2286 2794 3048 4191 4572 5588 8382 9144 11176 12573 16764 25146 33528 50292 100584 1601209 3202418 4803627 6404836 9607254 12809672 14410881 17613299 19214508 28821762 35226598 38429016 52839897 57643524 70453196 105679794 115287048 140906392 158519691 203353543 211359588 317039382 406707086 422719176 610060629 634078764 813414172 1220121258 1268157528 1626828344 1830181887 2236888973 2440242516 3660363774 4473777946 4880485032 6710666919 7320727548 8947555892 13421333838 14641455096 17895111784 20132000757 26842667676 40264001514 53685335352 80528003028 161056006056