231647016534636 has 12 divisors (see below), whose sum is σ = 540509705247512. Its totient is φ = 77215672178208.

The previous prime is 231647016534617. The next prime is 231647016534649. The reversal of 231647016534636 is 636435610746132.

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

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, 9651959022265 + ... + 9651959022288.

Almost surely, 2^{231647016534636} is an apocalyptic number.

It is an amenable number.

231647016534636 is an abundant number, since it is smaller than the sum of its proper divisors (308862688712876).

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

231647016534636 is a wasteful number, since it uses less digits than its factorization.

231647016534636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19303918044560 (or 19303918044558 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 57.

The spelling of 231647016534636 in words is "two hundred thirty-one trillion, six hundred forty-seven billion, sixteen million, five hundred thirty-four thousand, six hundred thirty-six".