64566160 has 20 divisors (see below), whose sum is σ = 150116508. Its totient is φ = 25826432.

The previous prime is 64566157. The next prime is 64566163. The reversal of 64566160 is 6166546.

64566160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (64566157) and next prime (64566163).

It can be written as a sum of positive squares in 2 ways, for example, as 35664784 + 28901376 = 5972^2 + 5376^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (64566163) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 403459 + ... + 403618.

Almost surely, 2^64566160 is an apocalyptic number.

It is an amenable number.

64566160 is an abundant number, since it is smaller than the sum of its proper divisors (85550348).

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

64566160 is a wasteful number, since it uses less digits than its factorization.

64566160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807090 (or 807084 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 64566160 is about 8035.3070880956. The cubic root of 64566160 is about 401.1760389424.

The spelling of 64566160 in words is "sixty-four million, five hundred sixty-six thousand, one hundred sixty".