161076656 has 40 divisors (see below), whose sum is σ = 337884624. Its totient is φ = 73946880.

The previous prime is 161076637. The next prime is 161076743. The reversal of 161076656 is 656670161.

161076656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 39011 + ... + 42941.

Almost surely, 2^161076656 is an apocalyptic number.

161076656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161076656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168942312).

161076656 is an abundant number, since it is smaller than the sum of its proper divisors (176807968).

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

161076656 is a wasteful number, since it uses less digits than its factorization.

161076656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4149 (or 4143 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 161076656 is about 12691.5978505466. The cubic root of 161076656 is about 544.0985079684.

The spelling of 161076656 in words is "one hundred sixty-one million, seventy-six thousand, six hundred fifty-six".