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161456070886 = 21153591136943
BaseRepresentation
bin1001011001011110001…
…0000010000011100110
3120102202011002012202021
42112113202002003212
510121130223232021
6202101043533354
714444013646555
oct2262742020346
9512664065667
10161456070886
1162522819830
122735b38a25a
13122c0b1ab26
147b5905dd9c
1542ee70ac41
hex25978820e6

161456070886 has 16 divisors (see below), whose sum is σ = 264207702528. Its totient is φ = 73387217800.

The previous prime is 161456070877. The next prime is 161456070899. The reversal of 161456070886 is 688070654161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1110531 + ... + 1247473.

It is an arithmetic number, because the mean of its divisors is an integer number (16512981408).

Almost surely, 2161456070886 is an apocalyptic number.

161456070886 is a deficient number, since it is larger than the sum of its proper divisors (102751631642).

161456070886 is a wasteful number, since it uses less digits than its factorization.

161456070886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190547.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 161456070886 in words is "one hundred sixty-one billion, four hundred fifty-six million, seventy thousand, eight hundred eighty-six".

Divisors: 1 2 11 22 53591 107182 136943 273886 589501 1179002 1506373 3012746 7338912313 14677824626 80728035443 161456070886