1166132044431 has 12 divisors (see below), whose sum is σ = 1687082395440. Its totient is φ = 776189312640.

The previous prime is 1166132044373. The next prime is 1166132044433. The reversal of 1166132044431 is 1344402316611.

1166132044431 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 1 + 3 + 204 + 443 + 1 = 666.

It is not a de Polignac number, because 1166132044431 - 2²² = 1166127850127 is a prime.

It is a super-2 number, since 2×1166132044431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166132044433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102664866 + ... + 102676223.

It is an arithmetic number, because the mean of its divisors is an integer number (140590199620).

Almost surely, 2^{1166132044431} is an apocalyptic number.

1166132044431 is a deficient number, since it is larger than the sum of its proper divisors (520950351009).

1166132044431 is a wasteful number, since it uses less digits than its factorization.

1166132044431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205341726 (or 205341723 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 1166132044431 in words is "one trillion, one hundred sixty-six billion, one hundred thirty-two million, forty-four thousand, four hundred thirty-one".