231266016 has 72 divisors (see below), whose sum is σ = 682043544. Its totient is φ = 77086080.

The previous prime is 231265973. The next prime is 231266023. The reversal of 231266016 is 610662132.

231266016 is a `hidden beast` number, since 2 + 31 + 26 + 601 + 6 = 666.

231266016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7095 + ... + 22646.

It is an arithmetic number, because the mean of its divisors is an integer number (9472827).

Almost surely, 2^231266016 is an apocalyptic number.

It is an amenable number.

231266016 is an abundant number, since it is smaller than the sum of its proper divisors (450777528).

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

231266016 is an equidigital number, since it uses as much as digits as its factorization.

231266016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29766 (or 29746 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 231266016 is about 15207.4329194641. The cubic root of 231266016 is about 613.8146830450.

The spelling of 231266016 in words is "two hundred thirty-one million, two hundred sixty-six thousand, sixteen".