2168296988 has 24 divisors (see below), whose sum is σ = 4457898480. Its totient is φ = 909774720.

The previous prime is 2168296961. The next prime is 2168297029. The reversal of 2168296988 is 8896928612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1894793 + ... + 1895936.

It is an arithmetic number, because the mean of its divisors is an integer number (185745770).

Almost surely, 2^2168296988 is an apocalyptic number.

It is an amenable number.

2168296988 is an abundant number, since it is smaller than the sum of its proper divisors (2289601492).

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

2168296988 is a wasteful number, since it uses less digits than its factorization.

2168296988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3790757 (or 3790755 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 59.

The square root of 2168296988 is about 46564.9759798070. The cubic root of 2168296988 is about 1294.3138214210.

The spelling of 2168296988 in words is "two billion, one hundred sixty-eight million, two hundred ninety-six thousand, nine hundred eighty-eight".