64163488 has 24 divisors (see below), whose sum is σ = 128211552. Its totient is φ = 31601856.

The previous prime is 64163471. The next prime is 64163497. The reversal of 64163488 is 88436146.

It is a super-2 number, since 2×64163488² = 8233906384652288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64163488.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12820 + ... + 17107.

It is an arithmetic number, because the mean of its divisors is an integer number (5342148).

Almost surely, 2^64163488 is an apocalyptic number.

It is an amenable number.

64163488 is a deficient number, since it is larger than the sum of its proper divisors (64048064).

64163488 is a wasteful number, since it uses less digits than its factorization.

64163488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30004 (or 29996 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The square root of 64163488 is about 8010.2114828511. The cubic root of 64163488 is about 400.3403103900.

The spelling of 64163488 in words is "sixty-four million, one hundred sixty-three thousand, four hundred eighty-eight".