232516161 has 12 divisors (see below), whose sum is σ = 336091392. Its totient is φ = 154902456.

The previous prime is 232516159. The next prime is 232516181. The reversal of 232516161 is 161615232.

232516161 is a `hidden beast` number, since 23 + 25 + 1 + 616 + 1 = 666.

It is not a de Polignac number, because 232516161 - 2¹ = 232516159 is a prime.

It is not an unprimeable number, because it can be changed into a prime (232516111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5860 + ... + 22346.

It is an arithmetic number, because the mean of its divisors is an integer number (28007616).

Almost surely, 2^232516161 is an apocalyptic number.

It is an amenable number.

232516161 is a deficient number, since it is larger than the sum of its proper divisors (103575231).

232516161 is a wasteful number, since it uses less digits than its factorization.

232516161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18060 (or 18057 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 232516161 is about 15248.4806128348. The cubic root of 232516161 is about 614.9187201725.

The spelling of 232516161 in words is "two hundred thirty-two million, five hundred sixteen thousand, one hundred sixty-one".