161062656 has 36 divisors (see below), whose sum is σ = 428663592. Its totient is φ = 53687296.

The previous prime is 161062633. The next prime is 161062661. The reversal of 161062656 is 656260161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104091 + ... + 105626.

It is an arithmetic number, because the mean of its divisors is an integer number (11907322).

Almost surely, 2^161062656 is an apocalyptic number.

161062656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

161062656 is an abundant number, since it is smaller than the sum of its proper divisors (267600936).

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

161062656 is an equidigital number, since it uses as much as digits as its factorization.

161062656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209736 (or 209722 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 161062656 is about 12691.0462925639. The cubic root of 161062656 is about 544.0827440458.

The spelling of 161062656 in words is "one hundred sixty-one million, sixty-two thousand, six hundred fifty-six".