15116868 has 120 divisors (see below), whose sum is σ = 44159192. Its totient is φ = 4478976.

The previous prime is 15116863. The next prime is 15116869. The reversal of 15116868 is 86861151.

It can be written as a sum of positive squares in 4 ways, for example, as 2286144 + 12830724 = 1512^2 + 3582^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15116861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 155796 + ... + 155892.

Almost surely, 2^15116868 is an apocalyptic number.

15116868 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 15116868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22079596).

15116868 is an abundant number, since it is smaller than the sum of its proper divisors (29042324).

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

15116868 is a wasteful number, since it uses less digits than its factorization.

15116868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 152 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 15116868 is about 3888.0416664434. The cubic root of 15116868 is about 247.2600429132.

The spelling of 15116868 in words is "fifteen million, one hundred sixteen thousand, eight hundred sixty-eight".