66030657296 has 20 divisors (see below), whose sum is σ = 129686926812. Its totient is φ = 32563063296.

The previous prime is 66030657281. The next prime is 66030657299. The reversal of 66030657296 is 69275603066.

It can be written as a sum of positive squares in 2 ways, for example, as 37380355600 + 28650301696 = 193340^2 + 169264^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (66030657299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28265381 + ... + 28267716.

Almost surely, 2^66030657296 is an apocalyptic number.

It is an amenable number.

66030657296 is a deficient number, since it is larger than the sum of its proper divisors (63656269516).

66030657296 is a wasteful number, since it uses less digits than its factorization.

66030657296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56533178 (or 56533172 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 50.

The spelling of 66030657296 in words is "sixty-six billion, thirty million, six hundred fifty-seven thousand, two hundred ninety-six".