12974036166 has 160 divisors (see below), whose sum is σ = 37885700160. Its totient is φ = 3220383744.

The previous prime is 12974036111. The next prime is 12974036189. The reversal of 12974036166 is 66163047921.

12974036166 is a `hidden beast` number, since 1 + 29 + 7 + 4 + 0 + 3 + 616 + 6 = 666.

It is a super-2 number, since 2×12974036166² (a number of 21 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 79 ways as a sum of consecutive naturals, for example, 224730 + ... + 276498.

It is an arithmetic number, because the mean of its divisors is an integer number (236785626).

Almost surely, 2^12974036166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12974036166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18942850080).

12974036166 is an abundant number, since it is smaller than the sum of its proper divisors (24911663994).

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

12974036166 is a wasteful number, since it uses less digits than its factorization.

12974036166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51820 (or 51811 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 12974036166 in words is "twelve billion, nine hundred seventy-four million, thirty-six thousand, one hundred sixty-six".