1166827159206 has 48 divisors (see below), whose sum is σ = 2677836142800. Its totient is φ = 365927030784.

The previous prime is 1166827159177. The next prime is 1166827159241. The reversal of 1166827159206 is 6029517286611.

It is a happy number.

1166827159206 is a `hidden beast` number, since 1 + 166 + 8 + 271 + 5 + 9 + 206 = 666.

It is a super-2 number, since 2×1166827159206² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113805 + ... + 1531863.

It is an arithmetic number, because the mean of its divisors is an integer number (55788252975).

Almost surely, 2^{1166827159206} is an apocalyptic number.

1166827159206 is an abundant number, since it is smaller than the sum of its proper divisors (1511008983594).

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

1166827159206 is a wasteful number, since it uses less digits than its factorization.

1166827159206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1420773 (or 1420770 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 54.

The spelling of 1166827159206 in words is "one trillion, one hundred sixty-six billion, eight hundred twenty-seven million, one hundred fifty-nine thousand, two hundred six".