3867116413721 has 16 divisors (see below), whose sum is σ = 4232990361600. Its totient is φ = 3503631908880.

The previous prime is 3867116413711. The next prime is 3867116413763. The reversal of 3867116413721 is 1273146117683.

It is a cyclic number.

It is not a de Polignac number, because 3867116413721 - 2¹⁴ = 3867116397337 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3867116413721.

It is not an unprimeable number, because it can be changed into a prime (3867116413711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26019980 + ... + 26168178.

It is an arithmetic number, because the mean of its divisors is an integer number (264561897600).

Almost surely, 2^{3867116413721} is an apocalyptic number.

It is an amenable number.

3867116413721 is a deficient number, since it is larger than the sum of its proper divisors (365873947879).

3867116413721 is a wasteful number, since it uses less digits than its factorization.

3867116413721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156244.

The product of its digits is 1016064, while the sum is 50.

The spelling of 3867116413721 in words is "three trillion, eight hundred sixty-seven billion, one hundred sixteen million, four hundred thirteen thousand, seven hundred twenty-one".