66386162316 has 12 divisors (see below), whose sum is σ = 154901045432. Its totient is φ = 22128720768.

The previous prime is 66386162291. The next prime is 66386162407. The reversal of 66386162316 is 61326168366.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2766090085 + ... + 2766090108.

Almost surely, 2^66386162316 is an apocalyptic number.

It is an amenable number.

66386162316 is an abundant number, since it is smaller than the sum of its proper divisors (88514883116).

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

66386162316 is a wasteful number, since it uses less digits than its factorization.

66386162316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5532180200 (or 5532180198 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 48.

The spelling of 66386162316 in words is "sixty-six billion, three hundred eighty-six million, one hundred sixty-two thousand, three hundred sixteen".