66286746304 has 28 divisors (see below), whose sum is σ = 137256798384. Its totient is φ = 31702356224.

The previous prime is 66286746301. The next prime is 66286746377. The reversal of 66286746304 is 40364768266.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (66286746301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22514407 + ... + 22517350.

Almost surely, 2^66286746304 is an apocalyptic number.

66286746304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

66286746304 is an abundant number, since it is smaller than the sum of its proper divisors (70970052080).

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

66286746304 is a wasteful number, since it uses less digits than its factorization.

66286746304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45031792 (or 45031782 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 52.

The spelling of 66286746304 in words is "sixty-six billion, two hundred eighty-six million, seven hundred forty-six thousand, three hundred four".