39664912242616 has 16 divisors (see below), whose sum is σ = 74372660648640. Its totient is φ = 19832202736320.

The previous prime is 39664912242569. The next prime is 39664912242649. The reversal of 39664912242616 is 61624221946693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31007005 + ... + 32260876.

It is an arithmetic number, because the mean of its divisors is an integer number (4648291290540).

Almost surely, 2^{39664912242616} is an apocalyptic number.

It is an amenable number.

39664912242616 is a deficient number, since it is larger than the sum of its proper divisors (34707748406024).

39664912242616 is a wasteful number, since it uses less digits than its factorization.

39664912242616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63346254 (or 63346250 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 61.

The spelling of 39664912242616 in words is "thirty-nine trillion, six hundred sixty-four billion, nine hundred twelve million, two hundred forty-two thousand, six hundred sixteen".