66315736364 has 12 divisors (see below), whose sum is σ = 116100451824. Its totient is φ = 33144178704.

The previous prime is 66315736273. The next prime is 66315736381. The reversal of 66315736364 is 46363751366.

It is a happy number.

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, 3411467 + ... + 3430850.

It is an arithmetic number, because the mean of its divisors is an integer number (9675037652).

Almost surely, 2^66315736364 is an apocalyptic number.

It is an amenable number.

66315736364 is a deficient number, since it is larger than the sum of its proper divisors (49784715460).

66315736364 is a wasteful number, since it uses less digits than its factorization.

66315736364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844744 (or 6844742 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 50.

The spelling of 66315736364 in words is "sixty-six billion, three hundred fifteen million, seven hundred thirty-six thousand, three hundred sixty-four".