612312164 has 24 divisors (see below), whose sum is σ = 1176987840. Its totient is φ = 277431264.

The previous prime is 612312161. The next prime is 612312229. The reversal of 612312164 is 461213216.

It is not an unprimeable number, because it can be changed into a prime (612312161) 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, 173399 + ... + 176894.

It is an arithmetic number, because the mean of its divisors is an integer number (49041160).

Almost surely, 2^612312164 is an apocalyptic number.

It is an amenable number.

612312164 is a deficient number, since it is larger than the sum of its proper divisors (564675676).

612312164 is a wasteful number, since it uses less digits than its factorization.

612312164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350339 (or 350337 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 612312164 is about 24744.9421902740. The cubic root of 612312164 is about 849.1628038285.

The spelling of 612312164 in words is "six hundred twelve million, three hundred twelve thousand, one hundred sixty-four".