115065666 has 48 divisors (see below), whose sum is σ = 256692384. Its totient is φ = 37236672.

The previous prime is 115065661. The next prime is 115065701. The reversal of 115065666 is 666560511.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 115065666.

It is not an unprimeable number, because it can be changed into a prime (115065661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87385 + ... + 88691.

It is an arithmetic number, because the mean of its divisors is an integer number (5347758).

Almost surely, 2^115065666 is an apocalyptic number.

115065666 is an abundant number, since it is smaller than the sum of its proper divisors (141626718).

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

115065666 is a wasteful number, since it uses less digits than its factorization.

115065666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455 (or 1452 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 115065666 is about 10726.8665508619. The cubic root of 115065666 is about 486.3869549438.

The spelling of 115065666 in words is "one hundred fifteen million, sixty-five thousand, six hundred sixty-six".