2668161392 has 40 divisors (see below), whose sum is σ = 5570330976. Its totient is φ = 1230771456.

The previous prime is 2668161389. The next prime is 2668161401. The reversal of 2668161392 is 2931618662.

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, 731798 + ... + 735434.

Almost surely, 2^2668161392 is an apocalyptic number.

It is an amenable number.

2668161392 is an abundant number, since it is smaller than the sum of its proper divisors (2902169584).

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

2668161392 is a wasteful number, since it uses less digits than its factorization.

2668161392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7185 (or 7179 counting only the distinct ones).

The product of its digits is 186624, while the sum is 44.

The square root of 2668161392 is about 51654.2485377534. The cubic root of 2668161392 is about 1386.9815964721.

The spelling of 2668161392 in words is "two billion, six hundred sixty-eight million, one hundred sixty-one thousand, three hundred ninety-two".