64516808 has 8 divisors (see below), whose sum is σ = 120969030. Its totient is φ = 32258400.

The previous prime is 64516807. The next prime is 64516841. The reversal of 64516808 is 80861546.

64516808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 64288324 + 228484 = 8018^2 + 478^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (64516801) 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 as a sum of consecutive naturals, namely, 4032293 + ... + 4032308.

Almost surely, 2^64516808 is an apocalyptic number.

It is an amenable number.

64516808 is a deficient number, since it is larger than the sum of its proper divisors (56452222).

64516808 is a wasteful number, since it uses less digits than its factorization.

64516808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8064607 (or 8064603 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 64516808 is about 8032.2355543149. The cubic root of 64516808 is about 401.0737981477.

The spelling of 64516808 in words is "sixty-four million, five hundred sixteen thousand, eight hundred eight".