851161036 has 24 divisors (see below), whose sum is σ = 1626302160. Its totient is φ = 386568000.

The previous prime is 851161033. The next prime is 851161109. The reversal of 851161036 is 630161158.

It is a junction number, because it is equal to n+sod(n) for n = 851160989 and 851161007.

It is not an unprimeable number, because it can be changed into a prime (851161033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49810 + ... + 64678.

It is an arithmetic number, because the mean of its divisors is an integer number (67762590).

Almost surely, 2^851161036 is an apocalyptic number.

It is an amenable number.

851161036 is a deficient number, since it is larger than the sum of its proper divisors (775141124).

851161036 is a wasteful number, since it uses less digits than its factorization.

851161036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16185 (or 16183 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 851161036 is about 29174.6642825586. The cubic root of 851161036 is about 947.6993399902.

The spelling of 851161036 in words is "eight hundred fifty-one million, one hundred sixty-one thousand, thirty-six".