161070695424 has 352 divisors, whose sum is σ = 490187393280. Its totient is φ = 52881776640.

The previous prime is 161070695417. The next prime is 161070695449. The reversal of 161070695424 is 424596070161.

161070695424 is a `hidden beast` number, since 1 + 610 + 7 + 0 + 6 + 9 + 5 + 4 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 161070695424.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159003142 + ... + 159004154.

Almost surely, 2^161070695424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161070695424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245093696640).

161070695424 is an abundant number, since it is smaller than the sum of its proper divisors (329116697856).

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

161070695424 is an frugal number, since it uses more digits than its factorization.

161070695424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1089 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 161070695424 in words is "one hundred sixty-one billion, seventy million, six hundred ninety-five thousand, four hundred twenty-four".