116616915 has 48 divisors (see below), whose sum is σ = 214826976. Its totient is φ = 60652800.

The previous prime is 116616887. The next prime is 116616959. The reversal of 116616915 is 519616611.

It is not a de Polignac number, because 116616915 - 2¹¹ = 116614867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 116616915.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48645 + ... + 50985.

It is an arithmetic number, because the mean of its divisors is an integer number (4475562).

Almost surely, 2^116616915 is an apocalyptic number.

116616915 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

116616915 is a deficient number, since it is larger than the sum of its proper divisors (98210061).

116616915 is an equidigital number, since it uses as much as digits as its factorization.

116616915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402 (or 2390 counting only the distinct ones).

The product of its digits is 9720, while the sum is 36.

The square root of 116616915 is about 10798.9311971139. The cubic root of 116616915 is about 488.5629351511.

It can be divided in two parts, 1166 and 16915, that added together give a palindrome (18081).

The spelling of 116616915 in words is "one hundred sixteen million, six hundred sixteen thousand, nine hundred fifteen".