66496076208 has 30 divisors (see below), whose sum is σ = 186096658124. Its totient is φ = 22165358688.

The previous prime is 66496076159. The next prime is 66496076221. The reversal of 66496076208 is 80267069466.

66496076208 is a `hidden beast` number, since 6 + 6 + 4 + 9 + 6 + 0 + 7 + 620 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230889010 + ... + 230889297.

Almost surely, 2^66496076208 is an apocalyptic number.

It is an amenable number.

66496076208 is an abundant number, since it is smaller than the sum of its proper divisors (119600581916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66496076208 is a wasteful number, since it uses less digits than its factorization.

66496076208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461778321 (or 461778312 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 66496076208 in words is "sixty-six billion, four hundred ninety-six million, seventy-six thousand, two hundred eight".