656164110 has 64 divisors (see below), whose sum is σ = 1804032000. Its totient is φ = 149624832.

The previous prime is 656164109. The next prime is 656164127. The reversal of 656164110 is 11461656.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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 in 31 ways as a sum of consecutive naturals, for example, 90811 + ... + 97769.

It is an arithmetic number, because the mean of its divisors is an integer number (28188000).

Almost surely, 2^656164110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 656164110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902016000).

656164110 is an abundant number, since it is smaller than the sum of its proper divisors (1147867890).

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

656164110 is a wasteful number, since it uses less digits than its factorization.

656164110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7425.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 656164110 is about 25615.7004588982. The cubic root of 656164110 is about 868.9687477036.

The spelling of 656164110 in words is "six hundred fifty-six million, one hundred sixty-four thousand, one hundred ten".