116018631 has 6 divisors (see below), whose sum is σ = 167582480. Its totient is φ = 77345748.

The previous prime is 116018629. The next prime is 116018641. The reversal of 116018631 is 136810611.

116018631 is a `hidden beast` number, since 1 + 16 + 0 + 18 + 631 = 666.

It is not a de Polignac number, because 116018631 - 2¹ = 116018629 is a prime.

It is a super-2 number, since 2×116018631² = 26920645478228322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116018595 and 116018604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116018641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6445471 + ... + 6445488.

Almost surely, 2^116018631 is an apocalyptic number.

116018631 is a deficient number, since it is larger than the sum of its proper divisors (51563849).

116018631 is a wasteful number, since it uses less digits than its factorization.

116018631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12890965 (or 12890962 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 116018631 is about 10771.1945020039. The cubic root of 116018631 is about 487.7260048727.

It can be divided in two parts, 1160 and 18631, that added together give a palindrome (19791).

The spelling of 116018631 in words is "one hundred sixteen million, eighteen thousand, six hundred thirty-one".