3168720422465 has 48 divisors (see below), whose sum is σ = 4167043341120. Its totient is φ = 2311956990720.

The previous prime is 3168720422447. The next prime is 3168720422467. The reversal of 3168720422465 is 5642240278613.

It is not a de Polignac number, because 3168720422465 - 2¹⁴ = 3168720406081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3168720422467) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25286654 + ... + 25411656.

It is an arithmetic number, because the mean of its divisors is an integer number (86813402940).

Almost surely, 2^{3168720422465} is an apocalyptic number.

It is an amenable number.

3168720422465 is a deficient number, since it is larger than the sum of its proper divisors (998322918655).

3168720422465 is a wasteful number, since it uses less digits than its factorization.

3168720422465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125394 (or 125381 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 50.

The spelling of 3168720422465 in words is "three trillion, one hundred sixty-eight billion, seven hundred twenty million, four hundred twenty-two thousand, four hundred sixty-five".