15172116 has 24 divisors (see below), whose sum is σ = 35590464. Its totient is φ = 5030400.

The previous prime is 15172099. The next prime is 15172153. The reversal of 15172116 is 61127151.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960 + ... + 5591.

It is an arithmetic number, because the mean of its divisors is an integer number (1482936).

Almost surely, 2^15172116 is an apocalyptic number.

It is an amenable number.

15172116 is an abundant number, since it is smaller than the sum of its proper divisors (20418348).

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

15172116 is a wasteful number, since it uses less digits than its factorization.

15172116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6751 (or 6749 counting only the distinct ones).

The product of its digits is 420, while the sum is 24.

The square root of 15172116 is about 3895.1400488301. The cubic root of 15172116 is about 247.5608992065.

Adding to 15172116 its reverse (61127151), we get a palindrome (76299267).

The spelling of 15172116 in words is "fifteen million, one hundred seventy-two thousand, one hundred sixteen".