811386162 has 12 divisors (see below), whose sum is σ = 1758003390. Its totient is φ = 270462048.

The previous prime is 811386091. The next prime is 811386181. The reversal of 811386162 is 261683118.

811386162 is a `hidden beast` number, since 8 + 1 + 1 + 38 + 616 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 803212281 + 8173881 = 28341^2 + 2859^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22538487 + ... + 22538522.

Almost surely, 2^811386162 is an apocalyptic number.

811386162 is an abundant number, since it is smaller than the sum of its proper divisors (946617228).

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

811386162 is a wasteful number, since it uses less digits than its factorization.

811386162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45077017 (or 45077014 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 811386162 is about 28484.8409158275. The cubic root of 811386162 is about 932.7011928989.

The spelling of 811386162 in words is "eight hundred eleven million, three hundred eighty-six thousand, one hundred sixty-two".