2665957568 has 14 divisors (see below), whose sum is σ = 5290259676. Its totient is φ = 1332978752.

The previous prime is 2665957543. The next prime is 2665957571. The reversal of 2665957568 is 8657595662.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20827730 + ... + 20827857.

Almost surely, 2^2665957568 is an apocalyptic number.

It is an amenable number.

2665957568 is a deficient number, since it is larger than the sum of its proper divisors (2624302108).

2665957568 is an equidigital number, since it uses as much as digits as its factorization.

2665957568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41655599 (or 41655589 counting only the distinct ones).

The product of its digits is 27216000, while the sum is 59.

The square root of 2665957568 is about 51632.9116746286. The cubic root of 2665957568 is about 1386.5996224160.

The spelling of 2665957568 in words is "two billion, six hundred sixty-five million, nine hundred fifty-seven thousand, five hundred sixty-eight".