2665408914 has 24 divisors (see below), whose sum is σ = 6600060480. Its totient is φ = 761545368.

The previous prime is 2665408913. The next prime is 2665408919. The reversal of 2665408914 is 4198045662.

2665408914 is a `hidden beast` number, since 26 + 6 + 540 + 89 + 1 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2665408914.

It is not an unprimeable number, because it can be changed into a prime (2665408913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10576894 + ... + 10577145.

It is an arithmetic number, because the mean of its divisors is an integer number (275002520).

Almost surely, 2^2665408914 is an apocalyptic number.

2665408914 is an abundant number, since it is smaller than the sum of its proper divisors (3934651566).

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

2665408914 is a wasteful number, since it uses less digits than its factorization.

2665408914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21154054 (or 21154051 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2665408914 is about 51627.5983752876. The cubic root of 2665408914 is about 1386.5044951676.

The spelling of 2665408914 in words is "two billion, six hundred sixty-five million, four hundred eight thousand, nine hundred fourteen".