65604724976 has 80 divisors (see below), whose sum is σ = 146247306240. Its totient is φ = 27927348480.

The previous prime is 65604724967. The next prime is 65604724979. The reversal of 65604724976 is 67942740656.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65604724979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10529030 + ... + 10535258.

It is an arithmetic number, because the mean of its divisors is an integer number (1828091328).

Almost surely, 2^65604724976 is an apocalyptic number.

It is an amenable number.

65604724976 is an abundant number, since it is smaller than the sum of its proper divisors (80642581264).

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

65604724976 is a wasteful number, since it uses less digits than its factorization.

65604724976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862 (or 6856 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 56.

The spelling of 65604724976 in words is "sixty-five billion, six hundred four million, seven hundred twenty-four thousand, nine hundred seventy-six".