12166754031 has 6 divisors (see below), whose sum is σ = 17574200280. Its totient is φ = 8111169348.

The previous prime is 12166754023. The next prime is 12166754057. The reversal of 12166754031 is 13045766121.

12166754031 is a `hidden beast` number, since 1 + 21 + 6 + 67 + 540 + 31 = 666.

It is not a de Polignac number, because 12166754031 - 2³ = 12166754023 is a prime.

It is a super-2 number, since 2×12166754031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12166754071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 675930771 + ... + 675930788.

It is an arithmetic number, because the mean of its divisors is an integer number (2929033380).

Almost surely, 2^12166754031 is an apocalyptic number.

12166754031 is a deficient number, since it is larger than the sum of its proper divisors (5407446249).

12166754031 is a wasteful number, since it uses less digits than its factorization.

12166754031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351861565 (or 1351861562 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 12166754031 in words is "twelve billion, one hundred sixty-six million, seven hundred fifty-four thousand, thirty-one".