231441645164 has 12 divisors (see below), whose sum is σ = 405089091288. Its totient is φ = 115701904800.

The previous prime is 231441645143. The next prime is 231441645179. The reversal of 231441645164 is 461546144132.

231441645164 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 4701902 + ... + 4750869.

It is an arithmetic number, because the mean of its divisors is an integer number (33757424274).

Almost surely, 2^231441645164 is an apocalyptic number.

It is an amenable number.

231441645164 is a deficient number, since it is larger than the sum of its proper divisors (173647446124).

231441645164 is a wasteful number, since it uses less digits than its factorization.

231441645164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9458896 (or 9458894 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

Adding to 231441645164 its reverse (461546144132), we get a palindrome (692987789296).

The spelling of 231441645164 in words is "two hundred thirty-one billion, four hundred forty-one million, six hundred forty-five thousand, one hundred sixty-four".