231678160 has 40 divisors (see below), whose sum is σ = 615603456. Its totient is φ = 79432320.

The previous prime is 231678157. The next prime is 231678169. The reversal of 231678160 is 61876132.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231678169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206296 + ... + 207415.

Almost surely, 2^231678160 is an apocalyptic number.

231678160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231678160 is an abundant number, since it is smaller than the sum of its proper divisors (383925296).

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

231678160 is a wasteful number, since it uses less digits than its factorization.

231678160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413731 (or 413725 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 231678160 is about 15220.9776295743. The cubic root of 231678160 is about 614.1790973119.

The spelling of 231678160 in words is "two hundred thirty-one million, six hundred seventy-eight thousand, one hundred sixty".