232167091640 has 64 divisors (see below), whose sum is σ = 570168396000. Its totient is φ = 84379402240.

The previous prime is 232167091567. The next prime is 232167091703. The reversal of 232167091640 is 46190761232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691496 + ... + 970824.

Almost surely, 2^232167091640 is an apocalyptic number.

232167091640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232167091640 is an abundant number, since it is smaller than the sum of its proper divisors (338001304360).

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

232167091640 is a wasteful number, since it uses less digits than its factorization.

232167091640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281240 (or 281236 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 232167091640 in words is "two hundred thirty-two billion, one hundred sixty-seven million, ninety-one thousand, six hundred forty".