20160444615 has 16 divisors (see below), whose sum is σ = 32261868000. Its totient is φ = 10750518272.

The previous prime is 20160444599. The next prime is 20160444617. The reversal of 20160444615 is 51644406102.

It is a cyclic number.

It is not a de Polignac number, because 20160444615 - 2⁴ = 20160444599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20160444617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7470 + ... + 200939.

It is an arithmetic number, because the mean of its divisors is an integer number (2016366750).

Almost surely, 2^20160444615 is an apocalyptic number.

20160444615 is a deficient number, since it is larger than the sum of its proper divisors (12101423385).

20160444615 is a wasteful number, since it uses less digits than its factorization.

20160444615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214866.

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 20160444615 in words is "twenty billion, one hundred sixty million, four hundred forty-four thousand, six hundred fifteen".