115651016666 has 16 divisors (see below), whose sum is σ = 185600427360. Its totient is φ = 53883992880.

The previous prime is 115651016651. The next prime is 115651016681. The reversal of 115651016666 is 666610156511.

115651016666 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (115651016651) and next prime (115651016681).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24943976 + ... + 24948611.

It is an arithmetic number, because the mean of its divisors is an integer number (11600026710).

Almost surely, 2^115651016666 is an apocalyptic number.

115651016666 is a deficient number, since it is larger than the sum of its proper divisors (69949410694).

115651016666 is a wasteful number, since it uses less digits than its factorization.

115651016666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49892669.

The product of its (nonzero) digits is 194400, while the sum is 44.

The spelling of 115651016666 in words is "one hundred fifteen billion, six hundred fifty-one million, sixteen thousand, six hundred sixty-six".