66617314047 has 12 divisors (see below), whose sum is σ = 96375134544. Its totient is φ = 44342254080.

The previous prime is 66617314021. The next prime is 66617314063. The reversal of 66617314047 is 74041371666.

It is not a de Polignac number, because 66617314047 - 2²⁴ = 66600536831 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 66617313993 and 66617314011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66617313047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5767963 + ... + 5779500.

It is an arithmetic number, because the mean of its divisors is an integer number (8031261212).

Almost surely, 2^66617314047 is an apocalyptic number.

66617314047 is a deficient number, since it is larger than the sum of its proper divisors (29757820497).

66617314047 is a wasteful number, since it uses less digits than its factorization.

66617314047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11548110 (or 11548107 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 66617314047 in words is "sixty-six billion, six hundred seventeen million, three hundred fourteen thousand, forty-seven".