851164 has 6 divisors (see below), whose sum is σ = 1489544. Its totient is φ = 425580.

The previous prime is 851159. The next prime is 851171. The reversal of 851164 is 461158.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 106392 + ... + 106399.

2⁸⁵¹¹⁶⁴ is an apocalyptic number.

It is an amenable number.

851164 is a deficient number, since it is larger than the sum of its proper divisors (638380).

851164 is a wasteful number, since it uses less digits than its factorization.

851164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212795 (or 212793 counting only the distinct ones).

The product of its digits is 960, while the sum is 25.

The square root of 851164 is about 922.5854973931. The cubic root of 851164 is about 94.7700440047.

The spelling of 851164 in words is "eight hundred fifty-one thousand, one hundred sixty-four".