66250630296 has 80 divisors (see below), whose sum is σ = 186792278640. Its totient is φ = 21937262400.

The previous prime is 66250630279. The next prime is 66250630331. The reversal of 66250630296 is 69203605266.

66250630296 is a `hidden beast` number, since 6 + 6 + 2 + 5 + 0 + 630 + 2 + 9 + 6 = 666.

66250630296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 240691 + ... + 436386.

It is an arithmetic number, because the mean of its divisors is an integer number (2334903483).

Almost surely, 2^66250630296 is an apocalyptic number.

It is an amenable number.

66250630296 is an abundant number, since it is smaller than the sum of its proper divisors (120541648344).

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

66250630296 is a wasteful number, since it uses less digits than its factorization.

66250630296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677246 (or 677233 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 66250630296 in words is "sixty-six billion, two hundred fifty million, six hundred thirty thousand, two hundred ninety-six".