12858015168 has 140 divisors (see below), whose sum is σ = 38187855552. Its totient is φ = 4277836800.

The previous prime is 12858015167. The next prime is 12858015169. The reversal of 12858015168 is 86151085821.

12858015168 is a `hidden beast` number, since 1 + 2 + 8 + 580 + 1 + 5 + 1 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (12858015167) and next prime (12858015169).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12858015167) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3113521 + ... + 3117647.

Almost surely, 2^12858015168 is an apocalyptic number.

12858015168 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12858015168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19093927776).

12858015168 is an abundant number, since it is smaller than the sum of its proper divisors (25329840384).

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

12858015168 is an equidigital number, since it uses as much as digits as its factorization.

12858015168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4752 (or 4733 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 45.

The spelling of 12858015168 in words is "twelve billion, eight hundred fifty-eight million, fifteen thousand, one hundred sixty-eight".