66733406700 has 72 divisors (see below), whose sum is σ = 193127639040. Its totient is φ = 17791368000.

The previous prime is 66733406683. The next prime is 66733406711. The reversal of 66733406700 is 760433766.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1367725 + ... + 1415675.

It is an arithmetic number, because the mean of its divisors is an integer number (2682328320).

Almost surely, 2^66733406700 is an apocalyptic number.

66733406700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66733406700 is an abundant number, since it is smaller than the sum of its proper divisors (126394232340).

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

66733406700 is a wasteful number, since it uses less digits than its factorization.

66733406700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52607 (or 52600 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 42.

The spelling of 66733406700 in words is "sixty-six billion, seven hundred thirty-three million, four hundred six thousand, seven hundred".