231186668 has 12 divisors (see below), whose sum is σ = 405745032. Its totient is φ = 115259520.

The previous prime is 231186643. The next prime is 231186719. The reversal of 231186668 is 866681132.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

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, 81893 + ... + 84668.

It is an arithmetic number, because the mean of its divisors is an integer number (33812086).

Almost surely, 2^231186668 is an apocalyptic number.

It is an amenable number.

231186668 is a deficient number, since it is larger than the sum of its proper divisors (174558364).

231186668 is a wasteful number, since it uses less digits than its factorization.

231186668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166912 (or 166910 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 231186668 is about 15204.8238398214. The cubic root of 231186668 is about 613.7444745183.

The spelling of 231186668 in words is "two hundred thirty-one million, one hundred eighty-six thousand, six hundred sixty-eight".