231636016 has 20 divisors (see below), whose sum is σ = 475195032. Its totient is φ = 109005056.

The previous prime is 231636007. The next prime is 231636043. The reversal of 231636016 is 610636132.

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, 425530 + ... + 426073.

Almost surely, 2^231636016 is an apocalyptic number.

It is an amenable number.

231636016 is an abundant number, since it is smaller than the sum of its proper divisors (243559016).

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

231636016 is a wasteful number, since it uses less digits than its factorization.

231636016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851628 (or 851622 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 231636016 is about 15219.5931614482. The cubic root of 231636016 is about 614.1418537876.

The spelling of 231636016 in words is "two hundred thirty-one million, six hundred thirty-six thousand, sixteen".