851662113 has 16 divisors (see below), whose sum is σ = 1147806720. Its totient is φ = 561661776.

The previous prime is 851662103. The next prime is 851662139. The reversal of 851662113 is 311266158.

It is not a de Polignac number, because 851662113 - 2⁵ = 851662081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (851662103) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 293556 + ... + 296442.

It is an arithmetic number, because the mean of its divisors is an integer number (71737920).

Almost surely, 2^851662113 is an apocalyptic number.

It is an amenable number.

851662113 is a deficient number, since it is larger than the sum of its proper divisors (296144607).

851662113 is a wasteful number, since it uses less digits than its factorization.

851662113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916.

The product of its digits is 8640, while the sum is 33.

The square root of 851662113 is about 29183.2505557554. The cubic root of 851662113 is about 947.8852731519.

The spelling of 851662113 in words is "eight hundred fifty-one million, six hundred sixty-two thousand, one hundred thirteen".