2156260268 has 12 divisors (see below), whose sum is σ = 3844653120. Its totient is φ = 1057787952.

The previous prime is 2156260231. The next prime is 2156260279. The reversal of 2156260268 is 8620626512.

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, 5085308 + ... + 5085731.

It is an arithmetic number, because the mean of its divisors is an integer number (320387760).

Almost surely, 2^2156260268 is an apocalyptic number.

It is an amenable number.

2156260268 is a deficient number, since it is larger than the sum of its proper divisors (1688392852).

2156260268 is a wasteful number, since it uses less digits than its factorization.

2156260268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10171096 (or 10171094 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 2156260268 is about 46435.5496144926. The cubic root of 2156260268 is about 1291.9143637706.

The spelling of 2156260268 in words is "two billion, one hundred fifty-six million, two hundred sixty thousand, two hundred sixty-eight".