66807000500 has 48 divisors (see below), whose sum is σ = 146020060368. Its totient is φ = 26702000000.

The previous prime is 66807000467. The next prime is 66807000541. The reversal of 66807000500 is 500070866.

It can be written as a sum of positive squares in 8 ways, for example, as 43333083556 + 23473916944 = 208166^2 + 153212^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599150 + ... + 701850.

It is an arithmetic number, because the mean of its divisors is an integer number (3042084591).

Almost surely, 2^66807000500 is an apocalyptic number.

It is an amenable number.

66807000500 is an abundant number, since it is smaller than the sum of its proper divisors (79213059868).

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

66807000500 is a wasteful number, since it uses less digits than its factorization.

66807000500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104021 (or 104009 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 66807000500 in words is "sixty-six billion, eight hundred seven million, five hundred", and thus it is an aban number.