66760335267672 has 32 divisors (see below), whose sum is σ = 166905942104880. Its totient is φ = 22252764564480.

The previous prime is 66760335267649. The next prime is 66760335267679. The reversal of 66760335267672 is 27676253306766.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66760335267679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41731329 + ... + 43301552.

Almost surely, 2^{66760335267672} is an apocalyptic number.

It is an amenable number.

66760335267672 is an abundant number, since it is smaller than the sum of its proper divisors (100145606837208).

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

66760335267672 is a wasteful number, since it uses less digits than its factorization.

66760335267672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85065603 (or 85065599 counting only the distinct ones).

The product of its (nonzero) digits is 480090240, while the sum is 66.

The spelling of 66760335267672 in words is "sixty-six trillion, seven hundred sixty billion, three hundred thirty-five million, two hundred sixty-seven thousand, six hundred seventy-two".