2665147268 has 12 divisors (see below), whose sum is σ = 5330294592. Its totient is φ = 1142205960.

The previous prime is 2665147223. The next prime is 2665147301. The reversal of 2665147268 is 8627415662.

2665147268 is an admirable number.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47591888 + ... + 47591943.

It is an arithmetic number, because the mean of its divisors is an integer number (444191216).

Almost surely, 2^2665147268 is an apocalyptic number.

2665147268 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2665147268 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2665147268 is a wasteful number, since it uses less digits than its factorization.

2665147268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95183842 (or 95183840 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 2665147268 is about 51625.0643389430. The cubic root of 2665147268 is about 1386.4591256154.

The spelling of 2665147268 in words is "two billion, six hundred sixty-five million, one hundred forty-seven thousand, two hundred sixty-eight".