12025635166 has 16 divisors (see below), whose sum is σ = 18528761664. Its totient is φ = 5850860704.

The previous prime is 12025635163. The next prime is 12025635187. The reversal of 12025635166 is 66153652021.

It is a super-2 number, since 2×12025635166² (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 (12025635163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353485 + ... + 386008.

It is an arithmetic number, because the mean of its divisors is an integer number (1158047604).

Almost surely, 2^12025635166 is an apocalyptic number.

12025635166 is a deficient number, since it is larger than the sum of its proper divisors (6503126498).

12025635166 is a wasteful number, since it uses less digits than its factorization.

12025635166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739715.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 12025635166 in words is "twelve billion, twenty-five million, six hundred thirty-five thousand, one hundred sixty-six".