66360080766 has 16 divisors (see below), whose sum is σ = 151680184704. Its totient is φ = 18960023064.

The previous prime is 66360080741. The next prime is 66360080783. The reversal of 66360080766 is 66708006366.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790000920 + ... + 790001003.

It is an arithmetic number, because the mean of its divisors is an integer number (9480011544).

Almost surely, 2^66360080766 is an apocalyptic number.

66360080766 is an abundant number, since it is smaller than the sum of its proper divisors (85320103938).

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

66360080766 is a wasteful number, since it uses less digits than its factorization.

66360080766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580001935.

The product of its (nonzero) digits is 1306368, while the sum is 48.

The spelling of 66360080766 in words is "sixty-six billion, three hundred sixty million, eighty thousand, seven hundred sixty-six".