2160642013 has 16 divisors (see below), whose sum is σ = 2371293360. Its totient is φ = 1959552000.

The previous prime is 2160641971. The next prime is 2160642049. The reversal of 2160642013 is 3102460612.

It can be written as a sum of positive squares in 8 ways, for example, as 478165689 + 1682476324 = 21867^2 + 41018^2 .

It is a cyclic number.

It is not a de Polignac number, because 2160642013 - 2¹³ = 2160633821 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 (2160642083) 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, 262663 + ... + 270763.

It is an arithmetic number, because the mean of its divisors is an integer number (148205835).

Almost surely, 2^2160642013 is an apocalyptic number.

It is an amenable number.

2160642013 is a deficient number, since it is larger than the sum of its proper divisors (210651347).

2160642013 is a wasteful number, since it uses less digits than its factorization.

2160642013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8688.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2160642013 is about 46482.7066014878. The cubic root of 2160642013 is about 1292.7888730989.

The spelling of 2160642013 in words is "two billion, one hundred sixty million, six hundred forty-two thousand, thirteen".