231616268 has 24 divisors (see below), whose sum is σ = 443669520. Its totient is φ = 105145920.

The previous prime is 231616267. The next prime is 231616277. The reversal of 231616268 is 862616132.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (231616261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33338 + ... + 39681.

It is an arithmetic number, because the mean of its divisors is an integer number (18486230).

Almost surely, 2^231616268 is an apocalyptic number.

It is an amenable number.

231616268 is a deficient number, since it is larger than the sum of its proper divisors (212053252).

231616268 is a wasteful number, since it uses less digits than its factorization.

231616268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73097 (or 73095 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 231616268 is about 15218.9443786355. The cubic root of 231616268 is about 614.1244005173.

The spelling of 231616268 in words is "two hundred thirty-one million, six hundred sixteen thousand, two hundred sixty-eight".