66596925163876 has 6 divisors (see below), whose sum is σ = 116544619036790. Its totient is φ = 33298462581936.

The previous prime is 66596925163849. The next prime is 66596925163907. The reversal of 66596925163876 is 67836152969566.

It can be written as a sum of positive squares in only one way, i.e., 59068047709476 + 7528877454400 = 7685574^2 + 2743880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 66596925163796 and 66596925163805.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8324615645481 + ... + 8324615645488.

Almost surely, 2^{66596925163876} is an apocalyptic number.

It is an amenable number.

66596925163876 is a deficient number, since it is larger than the sum of its proper divisors (49947693872914).

66596925163876 is a wasteful number, since it uses less digits than its factorization.

66596925163876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16649231290973 (or 16649231290971 counting only the distinct ones).

The product of its digits is 5290790400, while the sum is 79.

The spelling of 66596925163876 in words is "sixty-six trillion, five hundred ninety-six billion, nine hundred twenty-five million, one hundred sixty-three thousand, eight hundred seventy-six".