656160165000 has 120 divisors (see below), whose sum is σ = 2220664870710. Its totient is φ = 174976032000.

The previous prime is 656160164999. The next prime is 656160165007. The reversal of 656160165000 is 561061656.

It can be written as a sum of positive squares in 5 ways, for example, as 15260649156 + 640899515844 = 123534^2 + 800562^2 .

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (656160165007) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 7245669 + ... + 7335668.

Almost surely, 2^656160165000 is an apocalyptic number.

656160165000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

656160165000 is an abundant number, since it is smaller than the sum of its proper divisors (1564504705710).

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

656160165000 is a wasteful number, since it uses less digits than its factorization.

656160165000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14581369 (or 14581347 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 656160165000 in words is "six hundred fifty-six billion, one hundred sixty million, one hundred sixty-five thousand".