2168163488 has 24 divisors (see below), whose sum is σ = 4270771008. Its totient is φ = 1083523264.

The previous prime is 2168163479. The next prime is 2168163499. The reversal of 2168163488 is 8843618612.

It is a super-2 number, since 2×2168163488² = 9401865821392652288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49595 + ... + 82437.

It is an arithmetic number, because the mean of its divisors is an integer number (177948792).

Almost surely, 2^2168163488 is an apocalyptic number.

It is an amenable number.

2168163488 is a deficient number, since it is larger than the sum of its proper divisors (2102607520).

2168163488 is a wasteful number, since it uses less digits than its factorization.

2168163488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34916 (or 34908 counting only the distinct ones).

The product of its digits is 442368, while the sum is 47.

The square root of 2168163488 is about 46563.5424769207. The cubic root of 2168163488 is about 1294.2872576488.

The spelling of 2168163488 in words is "two billion, one hundred sixty-eight million, one hundred sixty-three thousand, four hundred eighty-eight".