66372453477064 has 16 divisors (see below), whose sum is σ = 142226686022400. Its totient is φ = 28445337204432.

The previous prime is 66372453477049. The next prime is 66372453477107. The reversal of 66372453477064 is 46077435427366.

It is a junction number, because it is equal to n+sod(n) for n = 66372453476987 and 66372453477005.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592611191704 + ... + 592611191815.

It is an arithmetic number, because the mean of its divisors is an integer number (8889167876400).

Almost surely, 2^{66372453477064} is an apocalyptic number.

It is an amenable number.

66372453477064 is an abundant number, since it is smaller than the sum of its proper divisors (75854232545336).

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

66372453477064 is a wasteful number, since it uses less digits than its factorization.

66372453477064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185222383532 (or 1185222383528 counting only the distinct ones).

The product of its (nonzero) digits is 426746880, while the sum is 64.

The spelling of 66372453477064 in words is "sixty-six trillion, three hundred seventy-two billion, four hundred fifty-three million, four hundred seventy-seven thousand, sixty-four".