64616104 has 24 divisors (see below), whose sum is σ = 140936490. Its totient is φ = 27692448.

The previous prime is 64616087. The next prime is 64616107. The reversal of 64616104 is 40161646.

It can be written as a sum of positive squares in only one way, i.e., 32467204 + 32148900 = 5698^2 + 5670^2 .

It is a super-2 number, since 2×64616104² = 8350481792277632, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (64616107) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82027 + ... + 82810.

Almost surely, 2^64616104 is an apocalyptic number.

It is an amenable number.

64616104 is an abundant number, since it is smaller than the sum of its proper divisors (76320386).

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

64616104 is a wasteful number, since it uses less digits than its factorization.

64616104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164857 (or 164846 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 64616104 is about 8038.4142714841. The cubic root of 64616104 is about 401.2794531357.

The spelling of 64616104 in words is "sixty-four million, six hundred sixteen thousand, one hundred four".