66852292940 has 48 divisors (see below), whose sum is σ = 148672262592. Its totient is φ = 25163821056.

The previous prime is 66852292933. The next prime is 66852292987. The reversal of 66852292940 is 4929225866.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2800937 + ... + 2824703.

It is an arithmetic number, because the mean of its divisors is an integer number (3097338804).

Almost surely, 2^66852292940 is an apocalyptic number.

It is an amenable number.

66852292940 is an abundant number, since it is smaller than the sum of its proper divisors (81819969652).

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

66852292940 is a wasteful number, since it uses less digits than its factorization.

66852292940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32066 (or 32064 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 66852292940 in words is "sixty-six billion, eight hundred fifty-two million, two hundred ninety-two thousand, nine hundred forty".