66800348588 has 12 divisors (see below), whose sum is σ = 116908811712. Its totient is φ = 33397830960.

The previous prime is 66800348567. The next prime is 66800348621. The reversal of 66800348588 is 88584300866.

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, 520895 + ... + 636342.

It is an arithmetic number, because the mean of its divisors is an integer number (9742400976).

Almost surely, 2^66800348588 is an apocalyptic number.

It is an amenable number.

66800348588 is a deficient number, since it is larger than the sum of its proper divisors (50108463124).

66800348588 is a wasteful number, since it uses less digits than its factorization.

66800348588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171672 (or 1171670 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 66800348588 in words is "sixty-six billion, eight hundred million, three hundred forty-eight thousand, five hundred eighty-eight".