2665261092 has 48 divisors (see below), whose sum is σ = 6702917760. Its totient is φ = 819395328.

The previous prime is 2665261073. The next prime is 2665261097. The reversal of 2665261092 is 2901625662.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 2665261092.

It is not an unprimeable number, because it can be changed into a prime (2665261097) 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, 199288 + ... + 212240.

It is an arithmetic number, because the mean of its divisors is an integer number (139644120).

Almost surely, 2^2665261092 is an apocalyptic number.

It is an amenable number.

2665261092 is an abundant number, since it is smaller than the sum of its proper divisors (4037656668).

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

2665261092 is a wasteful number, since it uses less digits than its factorization.

2665261092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14292 (or 14290 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 2665261092 is about 51626.1667374211. The cubic root of 2665261092 is about 1386.4788631209.

The spelling of 2665261092 in words is "two billion, six hundred sixty-five million, two hundred sixty-one thousand, ninety-two".