2665885752 has 48 divisors (see below), whose sum is σ = 7222611240. Its totient is φ = 888320448.

The previous prime is 2665885721. The next prime is 2665885757. The reversal of 2665885752 is 2575885662.

2665885752 is a `hidden beast` number, since 2 + 6 + 6 + 588 + 5 + 7 + 52 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2665885757) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310623 + ... + 319089.

Almost surely, 2^2665885752 is an apocalyptic number.

It is an amenable number.

2665885752 is an abundant number, since it is smaller than the sum of its proper divisors (4556725488).

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

2665885752 is a wasteful number, since it uses less digits than its factorization.

2665885752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12852 (or 12845 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 54.

The square root of 2665885752 is about 51632.2162220449. The cubic root of 2665885752 is about 1386.5871714885.

The spelling of 2665885752 in words is "two billion, six hundred sixty-five million, eight hundred eighty-five thousand, seven hundred fifty-two".