65607066766 has 16 divisors (see below), whose sum is σ = 105009152400. Its totient is φ = 30651317568.

The previous prime is 65607066751. The next prime is 65607066773. The reversal of 65607066766 is 66766070656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11822581 + ... + 11828128.

It is an arithmetic number, because the mean of its divisors is an integer number (6563072025).

Almost surely, 2^65607066766 is an apocalyptic number.

65607066766 is a deficient number, since it is larger than the sum of its proper divisors (39402085634).

65607066766 is a wasteful number, since it uses less digits than its factorization.

65607066766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23650803.

The product of its (nonzero) digits is 11430720, while the sum is 55.

The spelling of 65607066766 in words is "sixty-five billion, six hundred seven million, sixty-six thousand, seven hundred sixty-six".