2168392255 has 4 divisors (see below), whose sum is σ = 2602070712. Its totient is φ = 1734713800.

The previous prime is 2168392231. The next prime is 2168392267. The reversal of 2168392255 is 5522938612.

2168392255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2168392255 - 2²⁵ = 2134837823 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 216839221 + ... + 216839230.

It is an arithmetic number, because the mean of its divisors is an integer number (650517678).

Almost surely, 2^2168392255 is an apocalyptic number.

2168392255 is a deficient number, since it is larger than the sum of its proper divisors (433678457).

2168392255 is an equidigital number, since it uses as much as digits as its factorization.

2168392255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433678456.

The product of its digits is 259200, while the sum is 43.

The square root of 2168392255 is about 46565.9989155177. The cubic root of 2168392255 is about 1294.3327769407.

The spelling of 2168392255 in words is "two billion, one hundred sixty-eight million, three hundred ninety-two thousand, two hundred fifty-five".