232642164 has 12 divisors (see below), whose sum is σ = 542831744. Its totient is φ = 77547384.

The previous prime is 232642153. The next prime is 232642187. The reversal of 232642164 is 461246232.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

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, 9693412 + ... + 9693435.

Almost surely, 2^232642164 is an apocalyptic number.

It is an amenable number.

232642164 is an abundant number, since it is smaller than the sum of its proper divisors (310189580).

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

232642164 is a wasteful number, since it uses less digits than its factorization.

232642164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19386854 (or 19386852 counting only the distinct ones).

The product of its digits is 13824, while the sum is 30.

The square root of 232642164 is about 15252.6117107858. The cubic root of 232642164 is about 615.0297771292.

Adding to 232642164 its reverse (461246232), we get a palindrome (693888396).

The spelling of 232642164 in words is "two hundred thirty-two million, six hundred forty-two thousand, one hundred sixty-four".