3990916263516 has 144 divisors (see below), whose sum is σ = 11757614432256. Its totient is φ = 1044261300096.

The previous prime is 3990916263497. The next prime is 3990916263563. The reversal of 3990916263516 is 6153626190993.

3990916263516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3990916263516.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1084716 + ... + 3026291.

It is an arithmetic number, because the mean of its divisors is an integer number (81650100224).

Almost surely, 2^{3990916263516} is an apocalyptic number.

It is an amenable number.

3990916263516 is an abundant number, since it is smaller than the sum of its proper divisors (7766698168740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3990916263516 is a wasteful number, since it uses less digits than its factorization.

3990916263516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111168 (or 4111159 counting only the distinct ones).

The product of its (nonzero) digits is 14171760, while the sum is 60.

The spelling of 3990916263516 in words is "three trillion, nine hundred ninety billion, nine hundred sixteen million, two hundred sixty-three thousand, five hundred sixteen".