64098664 has 24 divisors (see below), whose sum is σ = 139807890. Its totient is φ = 27470688.

The previous prime is 64098641. The next prime is 64098679. The reversal of 64098664 is 46689046.

It can be written as a sum of positive squares in only one way, i.e., 46104100 + 17994564 = 6790^2 + 4242^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 64098664.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81367 + ... + 82150.

Almost surely, 2^64098664 is an apocalyptic number.

It is an amenable number.

64098664 is an abundant number, since it is smaller than the sum of its proper divisors (75709226).

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

64098664 is a wasteful number, since it uses less digits than its factorization.

64098664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163537 (or 163526 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 64098664 is about 8006.1641252225. The cubic root of 64098664 is about 400.2054444634.

The spelling of 64098664 in words is "sixty-four million, ninety-eight thousand, six hundred sixty-four".