64981104 has 40 divisors (see below), whose sum is σ = 170627472. Its totient is φ = 21304320.

The previous prime is 64981099. The next prime is 64981129. The reversal of 64981104 is 40118946.

It is a congruent number.

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, 8169 + ... + 14024.

Almost surely, 2^64981104 is an apocalyptic number.

It is an amenable number.

64981104 is an abundant number, since it is smaller than the sum of its proper divisors (105646368).

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

64981104 is a wasteful number, since it uses less digits than its factorization.

64981104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22265 (or 22259 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 64981104 is about 8061.0857829451. The cubic root of 64981104 is about 402.0336102192.

The spelling of 64981104 in words is "sixty-four million, nine hundred eighty-one thousand, one hundred four".