64199088 has 40 divisors (see below), whose sum is σ = 184276400. Its totient is φ = 21399552.

The previous prime is 64199077. The next prime is 64199099. The reversal of 64199088 is 88099146.

It is an interprime number because it is at equal distance from previous prime (64199077) and next prime (64199099).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73873 + ... + 74736.

It is an arithmetic number, because the mean of its divisors is an integer number (4606910).

Almost surely, 2^64199088 is an apocalyptic number.

It is an amenable number.

64199088 is an abundant number, since it is smaller than the sum of its proper divisors (120077312).

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

64199088 is a wasteful number, since it uses less digits than its factorization.

64199088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148626 (or 148614 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 64199088 is about 8012.4333382562. The cubic root of 64199088 is about 400.4143373299.

The spelling of 64199088 in words is "sixty-four million, one hundred ninety-nine thousand, eighty-eight".