116985631 has 8 divisors (see below), whose sum is σ = 133796864. Its totient is φ = 100199160.

The previous prime is 116985607. The next prime is 116985637. The reversal of 116985631 is 136589611.

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 116985631 - 2⁷ = 116985503 is a prime.

It is a super-2 number, since 2×116985631² = 27371275720936322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116985637) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5386 + ... + 16216.

It is an arithmetic number, because the mean of its divisors is an integer number (16724608).

Almost surely, 2^116985631 is an apocalyptic number.

116985631 is a deficient number, since it is larger than the sum of its proper divisors (16811233).

116985631 is a wasteful number, since it uses less digits than its factorization.

116985631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12381.

The product of its digits is 38880, while the sum is 40.

The square root of 116985631 is about 10815.9895987376. The cubic root of 116985631 is about 489.0773014965.

The spelling of 116985631 in words is "one hundred sixteen million, nine hundred eighty-five thousand, six hundred thirty-one".