1322166011156 has 12 divisors (see below), whose sum is σ = 2314089011892. Its totient is φ = 660997722048.

The previous prime is 1322166011147. The next prime is 1322166011183. The reversal of 1322166011156 is 6511106612231.

It can be written as a sum of positive squares in 2 ways, for example, as 808621786756 + 513544224400 = 899234^2 + 716620^2 .

It is a super-2 number, since 2×1322166011156² (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 3 ways as a sum of consecutive naturals, for example, 21285995 + ... + 21348018.

It is an arithmetic number, because the mean of its divisors is an integer number (192840750991).

Almost surely, 2^{1322166011156} is an apocalyptic number.

It is an amenable number.

1322166011156 is a deficient number, since it is larger than the sum of its proper divisors (991923000736).

1322166011156 is a wasteful number, since it uses less digits than its factorization.

1322166011156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42641770 (or 42641768 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 35.

The spelling of 1322166011156 in words is "one trillion, three hundred twenty-two billion, one hundred sixty-six million, eleven thousand, one hundred fifty-six".