115666060664 has 64 divisors (see below), whose sum is σ = 270476582400. Its totient is φ = 45049968000.

The previous prime is 115666060661. The next prime is 115666060667. The reversal of 115666060664 is 466060666511.

It is an interprime number because it is at equal distance from previous prime (115666060661) and next prime (115666060667).

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115666060661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1959989 + ... + 2018139.

It is an arithmetic number, because the mean of its divisors is an integer number (4226196600).

Almost surely, 2^115666060664 is an apocalyptic number.

115666060664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

115666060664 is an abundant number, since it is smaller than the sum of its proper divisors (154810521736).

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

115666060664 is a wasteful number, since it uses less digits than its factorization.

115666060664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61404 (or 61400 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 47.

The spelling of 115666060664 in words is "one hundred fifteen billion, six hundred sixty-six million, sixty thousand, six hundred sixty-four".