656164 has 12 divisors (see below), whose sum is σ = 1176588. Its totient is φ = 320000.

The previous prime is 656153. The next prime is 656171. The reversal of 656164 is 461656.

It can be written as a sum of positive squares in 2 ways, for example, as 28900 + 627264 = 170^2 + 792^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1837 + ... + 2164.

It is an arithmetic number, because the mean of its divisors is an integer number (98049).

2⁶⁵⁶¹⁶⁴ is an apocalyptic number.

It is an amenable number.

656164 is a deficient number, since it is larger than the sum of its proper divisors (520424).

656164 is a wasteful number, since it uses less digits than its factorization.

656164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4046 (or 4044 counting only the distinct ones).

The product of its digits is 4320, while the sum is 28.

The square root of 656164 is about 810.0395052095. The cubic root of 656164 is about 86.8968699145.

It can be divided in two parts, 6561 and 64, that multiplied together give a square (419904 = 648²).

The spelling of 656164 in words is "six hundred fifty-six thousand, one hundred sixty-four".