66282613632 has 80 divisors (see below), whose sum is σ = 197256015000. Its totient is φ = 22094201088.

The previous prime is 66282613589. The next prime is 66282613693. The reversal of 66282613632 is 23631628266.

It is a happy number.

66282613632 is a `hidden beast` number, since 6 + 6 + 2 + 8 + 2 + 6 + 1 + 3 + 632 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 3186132 + ... + 3206867.

Almost surely, 2^66282613632 is an apocalyptic number.

It is an amenable number.

66282613632 is an abundant number, since it is smaller than the sum of its proper divisors (130973401368).

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

66282613632 is an equidigital number, since it uses as much as digits as its factorization.

66282613632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393025 (or 6393004 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The spelling of 66282613632 in words is "sixty-six billion, two hundred eighty-two million, six hundred thirteen thousand, six hundred thirty-two".