2265976918 has 16 divisors (see below), whose sum is σ = 3428316864. Its totient is φ = 1123237440.

The previous prime is 2265976873. The next prime is 2265976927. The reversal of 2265976918 is 8196795622.

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, 135603 + ... + 151393.

It is an arithmetic number, because the mean of its divisors is an integer number (214269804).

Almost surely, 2^2265976918 is an apocalyptic number.

2265976918 is a deficient number, since it is larger than the sum of its proper divisors (1162339946).

2265976918 is a wasteful number, since it uses less digits than its factorization.

2265976918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16407.

The product of its digits is 3265920, while the sum is 55.

The square root of 2265976918 is about 47602.2784958871. The cubic root of 2265976918 is about 1313.4649676237.

The spelling of 2265976918 in words is "two billion, two hundred sixty-five million, nine hundred seventy-six thousand, nine hundred eighteen".