66666330614 has 32 divisors (see below), whose sum is σ = 111280103424. Its totient is φ = 29745879840.

The previous prime is 66666330593. The next prime is 66666330629. The reversal of 66666330614 is 41603366666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750227 + ... + 834369.

It is an arithmetic number, because the mean of its divisors is an integer number (3477503232).

Almost surely, 2^66666330614 is an apocalyptic number.

66666330614 is a deficient number, since it is larger than the sum of its proper divisors (44613772810).

66666330614 is a wasteful number, since it uses less digits than its factorization.

66666330614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85172.

The product of its (nonzero) digits is 1679616, while the sum is 47.

The spelling of 66666330614 in words is "sixty-six billion, six hundred sixty-six million, three hundred thirty thousand, six hundred fourteen".