1166116115166 has 32 divisors (see below), whose sum is σ = 2472219180288. Its totient is φ = 365426006400.

The previous prime is 1166116115159. The next prime is 1166116115233. The reversal of 1166116115166 is 6615116116611.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6383610 + ... + 6563741.

It is an arithmetic number, because the mean of its divisors is an integer number (77256849384).

Almost surely, 2^{1166116115166} is an apocalyptic number.

1166116115166 is an abundant number, since it is smaller than the sum of its proper divisors (1306103065122).

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

1166116115166 is a wasteful number, since it uses less digits than its factorization.

1166116115166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12948256.

The product of its digits is 38880, while the sum is 42.

The spelling of 1166116115166 in words is "one trillion, one hundred sixty-six billion, one hundred sixteen million, one hundred fifteen thousand, one hundred sixty-six".