2268718156 has 12 divisors (see below), whose sum is σ = 4009566960. Its totient is φ = 1123127600.

The previous prime is 2268718147. The next prime is 2268718157. The reversal of 2268718156 is 6518178622.

It is not an unprimeable number, because it can be changed into a prime (2268718157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2807416 + ... + 2808223.

It is an arithmetic number, because the mean of its divisors is an integer number (334130580).

Almost surely, 2^2268718156 is an apocalyptic number.

It is an amenable number.

2268718156 is a deficient number, since it is larger than the sum of its proper divisors (1740848804).

2268718156 is a wasteful number, since it uses less digits than its factorization.

2268718156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5615744 (or 5615742 counting only the distinct ones).

The product of its digits is 322560, while the sum is 46.

The square root of 2268718156 is about 47631.0629316626. The cubic root of 2268718156 is about 1313.9944036081.

The spelling of 2268718156 in words is "two billion, two hundred sixty-eight million, seven hundred eighteen thousand, one hundred fifty-six".