2265166237 has 16 divisors (see below), whose sum is σ = 2341463040. Its totient is φ = 2189980800.

The previous prime is 2265166231. The next prime is 2265166271. The reversal of 2265166237 is 7326615622.

It is a cyclic number.

It is not a de Polignac number, because 2265166237 - 2²³ = 2256777629 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2265166237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265166231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2655103 + ... + 2655955.

It is an arithmetic number, because the mean of its divisors is an integer number (146341440).

Almost surely, 2^2265166237 is an apocalyptic number.

It is an amenable number.

2265166237 is a deficient number, since it is larger than the sum of its proper divisors (76296803).

2265166237 is a wasteful number, since it uses less digits than its factorization.

2265166237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its digits is 181440, while the sum is 40.

The square root of 2265166237 is about 47593.7625850279. The cubic root of 2265166237 is about 1313.3083128799.

It can be divided in two parts, 22651 and 66237, that added together give a palindrome (88888).

The spelling of 2265166237 in words is "two billion, two hundred sixty-five million, one hundred sixty-six thousand, two hundred thirty-seven".