2163999792 has 40 divisors (see below), whose sum is σ = 5596141824. Its totient is φ = 720583744.

The previous prime is 2163999791. The next prime is 2163999839. The reversal of 2163999792 is 2979993612.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (2163999791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24253 + ... + 70115.

Almost surely, 2^2163999792 is an apocalyptic number.

It is an amenable number.

2163999792 is an abundant number, since it is smaller than the sum of its proper divisors (3432142032).

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

2163999792 is a wasteful number, since it uses less digits than its factorization.

2163999792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46857 (or 46851 counting only the distinct ones).

The product of its digits is 3306744, while the sum is 57.

The square root of 2163999792 is about 46518.8111627974. The cubic root of 2163999792 is about 1293.4582193029.

The spelling of 2163999792 in words is "two billion, one hundred sixty-three million, nine hundred ninety-nine thousand, seven hundred ninety-two".