2268691216 has 20 divisors (see below), whose sum is σ = 4795188624. Its totient is φ = 1031223200.

The previous prime is 2268691163. The next prime is 2268691231. The reversal of 2268691216 is 6121968622.

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, 6444970 + ... + 6445321.

Almost surely, 2^2268691216 is an apocalyptic number.

It is an amenable number.

2268691216 is an abundant number, since it is smaller than the sum of its proper divisors (2526497408).

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

2268691216 is a wasteful number, since it uses less digits than its factorization.

2268691216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12890310 (or 12890304 counting only the distinct ones).

The product of its digits is 124416, while the sum is 43.

The square root of 2268691216 is about 47630.7801321792. The cubic root of 2268691216 is about 1313.9892025582.

The spelling of 2268691216 in words is "two billion, two hundred sixty-eight million, six hundred ninety-one thousand, two hundred sixteen".