812695164 has 48 divisors (see below), whose sum is σ = 1923841920. Its totient is φ = 266978880.

The previous prime is 812695157. The next prime is 812695201. The reversal of 812695164 is 461596218.

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, 568002 + ... + 569430.

It is an arithmetic number, because the mean of its divisors is an integer number (40080040).

Almost surely, 2^812695164 is an apocalyptic number.

It is an amenable number.

812695164 is an abundant number, since it is smaller than the sum of its proper divisors (1111146756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

812695164 is a wasteful number, since it uses less digits than its factorization.

812695164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2090 (or 2088 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 812695164 is about 28507.8088249518. The cubic root of 812695164 is about 933.2024962289.

The spelling of 812695164 in words is "eight hundred twelve million, six hundred ninety-five thousand, one hundred sixty-four".