13066799974 has 64 divisors (see below), whose sum is σ = 21204218880. Its totient is φ = 6025169920.

The previous prime is 13066799969. The next prime is 13066799989. The reversal of 13066799974 is 47999766031.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42015279 + ... + 42015589.

It is an arithmetic number, because the mean of its divisors is an integer number (331315920).

Almost surely, 2^13066799974 is an apocalyptic number.

13066799974 is a deficient number, since it is larger than the sum of its proper divisors (8137418906).

13066799974 is a wasteful number, since it uses less digits than its factorization.

13066799974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645.

The product of its (nonzero) digits is 15431472, while the sum is 61.

The spelling of 13066799974 in words is "thirteen billion, sixty-six million, seven hundred ninety-nine thousand, nine hundred seventy-four".