11658732776166 has 64 divisors (see below), whose sum is σ = 27117911900160. Its totient is φ = 3272467819680.

The previous prime is 11658732776161. The next prime is 11658732776167. The reversal of 11658732776166 is 66167723785611.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11658732776097 and 11658732776106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11658732776161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2257275 + ... + 5330361.

It is an arithmetic number, because the mean of its divisors is an integer number (423717373440).

Almost surely, 2^{11658732776166} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11658732776166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13558955950080).

11658732776166 is an abundant number, since it is smaller than the sum of its proper divisors (15459179123994).

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

11658732776166 is a wasteful number, since it uses less digits than its factorization.

11658732776166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3074689.

The product of its digits is 106686720, while the sum is 66.

The spelling of 11658732776166 in words is "eleven trillion, six hundred fifty-eight billion, seven hundred thirty-two million, seven hundred seventy-six thousand, one hundred sixty-six".