12163158 has 48 divisors (see below), whose sum is σ = 30944160. Its totient is φ = 3379968.

The previous prime is 12163147. The next prime is 12163181. The reversal of 12163158 is 85136121.

12163158 is a `hidden beast` number, since 1 + 21 + 631 + 5 + 8 = 666.

12163158 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3358 + ... + 5966.

It is an arithmetic number, because the mean of its divisors is an integer number (644670).

Almost surely, 2^12163158 is an apocalyptic number.

12163158 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12163158, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15472080).

12163158 is an abundant number, since it is smaller than the sum of its proper divisors (18781002).

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

12163158 is a wasteful number, since it uses less digits than its factorization.

12163158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2661 (or 2658 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 12163158 is about 3487.5719347420. The cubic root of 12163158 is about 229.9757882516.

Adding to 12163158 its reverse (85136121), we get a palindrome (97299279).

It can be divided in two parts, 12163 and 158, that added together give a palindrome (12321).

The spelling of 12163158 in words is "twelve million, one hundred sixty-three thousand, one hundred fifty-eight".