66336123364 has 27 divisors (see below), whose sum is σ = 135048734793. Its totient is φ = 28428221808.

The previous prime is 66336123323. The next prime is 66336123391. The reversal of 66336123364 is 46332163366.

The square root of 66336123364 is 257558.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 60127944100 + 6208179264 = 245210^2 + 78792^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66336123364.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3596614 + ... + 3615010.

Almost surely, 2^66336123364 is an apocalyptic number.

66336123364 is the 257558-th square number.

It is an amenable number.

66336123364 is an abundant number, since it is smaller than the sum of its proper divisors (68712611429).

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

66336123364 is an frugal number, since it uses more digits than its factorization.

66336123364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36812 (or 18406 counting only the distinct ones).

The product of its digits is 839808, while the sum is 43.

The spelling of 66336123364 in words is "sixty-six billion, three hundred thirty-six million, one hundred twenty-three thousand, three hundred sixty-four".