116531617 has 8 divisors (see below), whose sum is σ = 129880800. Its totient is φ = 103904064.

The previous prime is 116531609. The next prime is 116531647. The reversal of 116531617 is 716135611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116531617 - 2³ = 116531609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (116531647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180067 + ... + 180712.

It is an arithmetic number, because the mean of its divisors is an integer number (16235100).

Almost surely, 2^116531617 is an apocalyptic number.

116531617 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

116531617 is a deficient number, since it is larger than the sum of its proper divisors (13349183).

116531617 is a wasteful number, since it uses less digits than its factorization.

116531617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360815.

The product of its digits is 3780, while the sum is 31.

The square root of 116531617 is about 10794.9811023457. The cubic root of 116531617 is about 488.4437883250.

The spelling of 116531617 in words is "one hundred sixteen million, five hundred thirty-one thousand, six hundred seventeen".