66800674014 has 16 divisors (see below), whose sum is σ = 137212195728. Its totient is φ = 21665083392.

The previous prime is 66800674001. The next prime is 66800674027. The reversal of 66800674014 is 41047600866.

It is an interprime number because it is at equal distance from previous prime (66800674001) and next prime (66800674027).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150451747 + ... + 150452190.

It is an arithmetic number, because the mean of its divisors is an integer number (8575762233).

Almost surely, 2^66800674014 is an apocalyptic number.

66800674014 is an abundant number, since it is smaller than the sum of its proper divisors (70411521714).

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

66800674014 is a wasteful number, since it uses less digits than its factorization.

66800674014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300903979.

The product of its (nonzero) digits is 193536, while the sum is 42.

The spelling of 66800674014 in words is "sixty-six billion, eight hundred million, six hundred seventy-four thousand, fourteen".