66264700360 has 16 divisors (see below), whose sum is σ = 149095575900. Its totient is φ = 26505880128.

The previous prime is 66264700351. The next prime is 66264700387. The reversal of 66264700360 is 6300746266.

It can be written as a sum of positive squares in 2 ways, for example, as 65957539684 + 307160676 = 256822^2 + 17526^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1656617509 = 66264700360 / (6 + 6 + 2 + 6 + 4 + 7 + 0 + 0 + 3 + 6 + 0).

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, 828308715 + ... + 828308794.

Almost surely, 2^66264700360 is an apocalyptic number.

It is an amenable number.

66264700360 is an abundant number, since it is smaller than the sum of its proper divisors (82830875540).

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

66264700360 is a wasteful number, since it uses less digits than its factorization.

66264700360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656617520 (or 1656617516 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 40.

The spelling of 66264700360 in words is "sixty-six billion, two hundred sixty-four million, seven hundred thousand, three hundred sixty".