66496932973 has 8 divisors (see below), whose sum is σ = 67152241728. Its totient is φ = 65841811104.

The previous prime is 66496932959. The next prime is 66496933003. The reversal of 66496932973 is 37923969466.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 66496932973 - 2⁹ = 66496932461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66496932373) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 731961 + ... + 817777.

It is an arithmetic number, because the mean of its divisors is an integer number (8394030216).

Almost surely, 2^66496932973 is an apocalyptic number.

It is an amenable number.

66496932973 is a deficient number, since it is larger than the sum of its proper divisors (655308755).

66496932973 is a wasteful number, since it uses less digits than its factorization.

66496932973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93443.

The product of its digits is 79361856, while the sum is 64.

The spelling of 66496932973 in words is "sixty-six billion, four hundred ninety-six million, nine hundred thirty-two thousand, nine hundred seventy-three".