66050994072 has 64 divisors (see below), whose sum is σ = 188971476480. Its totient is φ = 18846277632.

The previous prime is 66050994043. The next prime is 66050994091. The reversal of 66050994072 is 27049905066.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139753 + ... + 389400.

It is an arithmetic number, because the mean of its divisors is an integer number (2952679320).

Almost surely, 2^66050994072 is an apocalyptic number.

It is an amenable number.

66050994072 is an abundant number, since it is smaller than the sum of its proper divisors (122920482408).

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

66050994072 is a wasteful number, since it uses less digits than its factorization.

66050994072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529912 (or 529908 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 66050994072 in words is "sixty-six billion, fifty million, nine hundred ninety-four thousand, seventy-two".