39716664699 has 8 divisors (see below), whose sum is σ = 54247151952. Its totient is φ = 25831976960.

The previous prime is 39716664679. The next prime is 39716664703. The reversal of 39716664699 is 99646661793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39716664699 - 2⁵ = 39716664667 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39716664679) 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, 161449734 + ... + 161449979.

It is an arithmetic number, because the mean of its divisors is an integer number (6780893994).

Almost surely, 2^39716664699 is an apocalyptic number.

39716664699 is a deficient number, since it is larger than the sum of its proper divisors (14530487253).

39716664699 is a wasteful number, since it uses less digits than its factorization.

39716664699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322899757.

The product of its digits is 79361856, while the sum is 66.

The spelling of 39716664699 in words is "thirty-nine billion, seven hundred sixteen million, six hundred sixty-four thousand, six hundred ninety-nine".