66362845824 has 96 divisors (see below), whose sum is σ = 208326587040. Its totient is φ = 20109949440.

The previous prime is 66362845819. The next prime is 66362845841. The reversal of 66362845824 is 42854826366.

It is a happy number.

66362845824 is a `hidden beast` number, since 6 + 6 + 3 + 628 + 4 + 5 + 8 + 2 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2605812 + ... + 2631155.

It is an arithmetic number, because the mean of its divisors is an integer number (2170068615).

Almost surely, 2^66362845824 is an apocalyptic number.

66362845824 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

66362845824 is an abundant number, since it is smaller than the sum of its proper divisors (141963741216).

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

66362845824 is a wasteful number, since it uses less digits than its factorization.

66362845824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5236998 (or 5236983 counting only the distinct ones).

The product of its digits is 13271040, while the sum is 54.

The spelling of 66362845824 in words is "sixty-six billion, three hundred sixty-two million, eight hundred forty-five thousand, eight hundred twenty-four".