115901766 has 24 divisors (see below), whose sum is σ = 260422344. Its totient is φ = 38633760.

The previous prime is 115901741. The next prime is 115901789. The reversal of 115901766 is 667109511.

It is a happy number.

115901766 is a `hidden beast` number, since 1 + 1 + 590 + 1 + 7 + 66 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 115901766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118755 + ... + 119726.

It is an arithmetic number, because the mean of its divisors is an integer number (10850931).

Almost surely, 2^115901766 is an apocalyptic number.

115901766 is an abundant number, since it is smaller than the sum of its proper divisors (144520578).

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

115901766 is an equidigital number, since it uses as much as digits as its factorization.

115901766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238498 (or 238486 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The square root of 115901766 is about 10765.7682494098. The cubic root of 115901766 is about 487.5621885162.

The spelling of 115901766 in words is "one hundred fifteen million, nine hundred one thousand, seven hundred sixty-six".