66001294713 has 16 divisors (see below), whose sum is σ = 90864115200. Its totient is φ = 42570407040.

The previous prime is 66001294693. The next prime is 66001294721. The reversal of 66001294713 is 31749210066.

It is not a de Polignac number, because 66001294713 - 2³⁴ = 48821425529 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (66001294813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275083 + ... + 455711.

It is an arithmetic number, because the mean of its divisors is an integer number (5679007200).

Almost surely, 2^66001294713 is an apocalyptic number.

It is an amenable number.

66001294713 is a deficient number, since it is larger than the sum of its proper divisors (24862820487).

66001294713 is a wasteful number, since it uses less digits than its factorization.

66001294713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184592.

The product of its (nonzero) digits is 54432, while the sum is 39.

The spelling of 66001294713 in words is "sixty-six billion, one million, two hundred ninety-four thousand, seven hundred thirteen".