231166005 has 16 divisors (see below), whose sum is σ = 422703744. Its totient is φ = 105675840.

The previous prime is 231165971. The next prime is 231166043. The reversal of 231166005 is 500661132.

231166005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231166005 - 2⁶ = 231165941 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1100686 + ... + 1100895.

It is an arithmetic number, because the mean of its divisors is an integer number (26418984).

Almost surely, 2^231166005 is an apocalyptic number.

It is an amenable number.

231166005 is a deficient number, since it is larger than the sum of its proper divisors (191537739).

231166005 is a wasteful number, since it uses less digits than its factorization.

231166005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2201596.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 231166005 is about 15204.1443363315. The cubic root of 231166005 is about 613.7261888907.

The spelling of 231166005 in words is "two hundred thirty-one million, one hundred sixty-six thousand, five".