115686648 has 216 divisors, whose sum is σ = 402096240. Its totient is φ = 29937600.

The previous prime is 115686629. The next prime is 115686661. The reversal of 115686648 is 846686511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 426753 + ... + 427023.

Almost surely, 2^115686648 is an apocalyptic number.

115686648 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 115686648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201048120).

115686648 is an abundant number, since it is smaller than the sum of its proper divisors (286409592).

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

115686648 is a wasteful number, since it uses less digits than its factorization.

115686648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 294 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 115686648 is about 10755.7727755843. The cubic root of 115686648 is about 487.2603571676.

The spelling of 115686648 in words is "one hundred fifteen million, six hundred eighty-six thousand, six hundred forty-eight".