2665907712 has 240 divisors, whose sum is σ = 8364964608. Its totient is φ = 812482560.

The previous prime is 2665907669. The next prime is 2665907729. The reversal of 2665907712 is 2177095662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11441548 + ... + 11441780.

Almost surely, 2^2665907712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2665907712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4182482304).

2665907712 is an abundant number, since it is smaller than the sum of its proper divisors (5699056896).

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

2665907712 is a wasteful number, since it uses less digits than its factorization.

2665907712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461 (or 442 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 45.

The square root of 2665907712 is about 51632.4288795327. The cubic root of 2665907712 is about 1386.5909787748.

The spelling of 2665907712 in words is "two billion, six hundred sixty-five million, nine hundred seven thousand, seven hundred twelve".