116172015 has 32 divisors (see below), whose sum is σ = 190771200. Its totient is φ = 60340224.

The previous prime is 116171987. The next prime is 116172053. The reversal of 116172015 is 510271611.

It is not a de Polignac number, because 116172015 - 2²³ = 107783407 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 258511 + ... + 258959.

It is an arithmetic number, because the mean of its divisors is an integer number (5961600).

Almost surely, 2^116172015 is an apocalyptic number.

116172015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116172015 is a deficient number, since it is larger than the sum of its proper divisors (74599185).

116172015 is a wasteful number, since it uses less digits than its factorization.

116172015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871.

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

The square root of 116172015 is about 10778.3122519252. The cubic root of 116172015 is about 487.9408451430.

The spelling of 116172015 in words is "one hundred sixteen million, one hundred seventy-two thousand, fifteen".