64366608 has 40 divisors (see below), whose sum is σ = 167766048. Its totient is φ = 21263872.

The previous prime is 64366579. The next prime is 64366609. The reversal of 64366608 is 80666346.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (64366609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510 + ... + 11357.

Almost surely, 2^64366608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64366608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83883024).

64366608 is an abundant number, since it is smaller than the sum of its proper divisors (103399440).

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

64366608 is a wasteful number, since it uses less digits than its factorization.

64366608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11991 (or 11985 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 64366608 is about 8022.8802807969. The cubic root of 64366608 is about 400.7623129412.

The spelling of 64366608 in words is "sixty-four million, three hundred sixty-six thousand, six hundred eight".