64108632 has 64 divisors (see below), whose sum is σ = 193950720. Its totient is φ = 17238528.

The previous prime is 64108631. The next prime is 64108687. The reversal of 64108632 is 23680146.

It is a super-2 number, since 2×64108632² = 8219833393822848, 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 64108632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64108631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8368 + ... + 14079.

It is an arithmetic number, because the mean of its divisors is an integer number (3030480).

Almost surely, 2^64108632 is an apocalyptic number.

It is an amenable number.

64108632 is an abundant number, since it is smaller than the sum of its proper divisors (129842088).

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

64108632 is a wasteful number, since it uses less digits than its factorization.

64108632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22480 (or 22476 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 64108632 is about 8006.7866213607. The cubic root of 64108632 is about 400.2261887392.

Adding to 64108632 its reverse (23680146), we get a palindrome (87788778).

The spelling of 64108632 in words is "sixty-four million, one hundred eight thousand, six hundred thirty-two".