39999616016007 has 4 divisors (see below), whose sum is σ = 53332821354680. Its totient is φ = 26666410677336.

The previous prime is 39999616015937. The next prime is 39999616016053. The reversal of 39999616016007 is 70061061699993.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 39999616016007 - 2³⁶ = 39930896539271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39999616016057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6666602669332 + ... + 6666602669337.

It is an arithmetic number, because the mean of its divisors is an integer number (13333205338670).

Almost surely, 2^{39999616016007} is an apocalyptic number.

39999616016007 is a deficient number, since it is larger than the sum of its proper divisors (13333205338673).

39999616016007 is a wasteful number, since it uses less digits than its factorization.

39999616016007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13333205338672.

The product of its (nonzero) digits is 29760696, while the sum is 66.

The spelling of 39999616016007 in words is "thirty-nine trillion, nine hundred ninety-nine billion, six hundred sixteen million, sixteen thousand, seven".