116660105551 has 16 divisors (see below), whose sum is σ = 129687350400. Its totient is φ = 104037125920.

The previous prime is 116660105537. The next prime is 116660105557. The reversal of 116660105551 is 155501066611.

It is not a de Polignac number, because 116660105551 - 2⁵ = 116660105519 is a prime.

It is a super-2 number, since 2×116660105551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 116660105551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116660105557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5060016 + ... + 5083018.

It is an arithmetic number, because the mean of its divisors is an integer number (8105459400).

Almost surely, 2^116660105551 is an apocalyptic number.

116660105551 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

116660105551 is a deficient number, since it is larger than the sum of its proper divisors (13027244849).

116660105551 is a wasteful number, since it uses less digits than its factorization.

116660105551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31766.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 116660105551 in words is "one hundred sixteen billion, six hundred sixty million, one hundred five thousand, five hundred fifty-one".