64524016504 has 8 divisors (see below), whose sum is σ = 120982530960. Its totient is φ = 32262008248.

The previous prime is 64524016493. The next prime is 64524016507. The reversal of 64524016504 is 40561042546.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64524016507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4032751024 + ... + 4032751039.

It is an arithmetic number, because the mean of its divisors is an integer number (15122816370).

Almost surely, 2^64524016504 is an apocalyptic number.

It is an amenable number.

64524016504 is a deficient number, since it is larger than the sum of its proper divisors (56458514456).

64524016504 is a wasteful number, since it uses less digits than its factorization.

64524016504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8065502069 (or 8065502065 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 64524016504 in words is "sixty-four billion, five hundred twenty-four million, sixteen thousand, five hundred four".