64922660 has 48 divisors (see below), whose sum is σ = 157489920. Its totient is φ = 22218240.

The previous prime is 64922653. The next prime is 64922707. The reversal of 64922660 is 6622946.

64922660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64922660.

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 15 ways as a sum of consecutive naturals, for example, 4940 + ... + 12419.

It is an arithmetic number, because the mean of its divisors is an integer number (3281040).

Almost surely, 2^64922660 is an apocalyptic number.

It is an amenable number.

64922660 is an abundant number, since it is smaller than the sum of its proper divisors (92567260).

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

64922660 is a wasteful number, since it uses less digits than its factorization.

64922660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17396 (or 17394 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 64922660 is about 8057.4598975111. The cubic root of 64922660 is about 401.9130444002.

The spelling of 64922660 in words is "sixty-four million, nine hundred twenty-two thousand, six hundred sixty".