66072766766314 has 64 divisors (see below), whose sum is σ = 124329832464384. Its totient is φ = 25583481000000.

The previous prime is 66072766766309. The next prime is 66072766766333. The reversal of 66072766766314 is 41366766727066.

It is a super-2 number, since 2×66072766766314² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66072766766314.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29845464 + ... + 31982764.

It is an arithmetic number, because the mean of its divisors is an integer number (1942653632256).

Almost surely, 2^{66072766766314} is an apocalyptic number.

66072766766314 is a deficient number, since it is larger than the sum of its proper divisors (58257065698070).

66072766766314 is a wasteful number, since it uses less digits than its factorization.

66072766766314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138563.

The product of its (nonzero) digits is 384072192, while the sum is 67.

The spelling of 66072766766314 in words is "sixty-six trillion, seventy-two billion, seven hundred sixty-six million, seven hundred sixty-six thousand, three hundred fourteen".