161046912 has 64 divisors (see below), whose sum is σ = 460701360. Its totient is φ = 49551360.

The previous prime is 161046901. The next prime is 161046917. The reversal of 161046912 is 219640161.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×161046912² = 51872215729471488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 161046912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161046917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11139 + ... + 21122.

Almost surely, 2^161046912 is an apocalyptic number.

161046912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

161046912 is an abundant number, since it is smaller than the sum of its proper divisors (299654448).

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

161046912 is a wasteful number, since it uses less digits than its factorization.

161046912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32291 (or 32279 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 161046912 is about 12690.4259975779. The cubic root of 161046912 is about 544.0650152975.

The spelling of 161046912 in words is "one hundred sixty-one million, forty-six thousand, nine hundred twelve".