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161606106101142 = 23247191023766077
BaseRepresentation
bin100100101111101011011010…
…100011000011010110010110
3210012012101121101200121022100
4210233223122203003112112
5132140223301130214032
61331412453100542530
746016440650656133
oct4457533243032626
9705171541617270
10161606106101142
114754684591694a
1216160419b51a46
136c2350c984a61
142bc9ac4b8358a
1513a3b2ba4b97c
hex92fada8c3596

161606106101142 has 24 divisors (see below), whose sum is σ = 357596490098016. Its totient is φ = 52722559436976.

The previous prime is 161606106101123. The next prime is 161606106101159. The reversal of 161606106101142 is 241101601606161.

161606106101142 is a `hidden beast` number, since 1 + 6 + 1 + 606 + 1 + 0 + 6 + 1 + 0 + 1 + 1 + 42 = 666.

It is a super-2 number, since 2×1616061061011422 (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161606106101097 and 161606106101106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95511882193 + ... + 95511883884.

It is an arithmetic number, because the mean of its divisors is an integer number (14899853754084).

Almost surely, 2161606106101142 is an apocalyptic number.

161606106101142 is an abundant number, since it is smaller than the sum of its proper divisors (195990383996874).

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

161606106101142 is a wasteful number, since it uses less digits than its factorization.

161606106101142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191023766132 (or 191023766129 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 161606106101142 in words is "one hundred sixty-one trillion, six hundred six billion, one hundred six million, one hundred one thousand, one hundred forty-two".

Divisors: 1 2 3 6 9 18 47 94 141 282 423 846 191023766077 382047532154 573071298231 1146142596462 1719213894693 3438427789386 8978117005619 17956234011238 26934351016857 53868702033714 80803053050571 161606106101142