116361999 has 48 divisors (see below), whose sum is σ = 187867680. Its totient is φ = 68947200.

The previous prime is 116361979. The next prime is 116362013. The reversal of 116361999 is 999163611.

116361999 is a `hidden beast` number, since 1 + 1 + 636 + 1 + 9 + 9 + 9 = 666.

It is not a de Polignac number, because 116361999 - 2⁸ = 116361743 is a prime.

It is a super-2 number, since 2×116361999² = 27080229622552002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116361919) 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 47 ways as a sum of consecutive naturals, for example, 508017 + ... + 508245.

It is an arithmetic number, because the mean of its divisors is an integer number (3913910).

Almost surely, 2^116361999 is an apocalyptic number.

116361999 is a deficient number, since it is larger than the sum of its proper divisors (71505681).

116361999 is a wasteful number, since it uses less digits than its factorization.

116361999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 389 counting only the distinct ones).

The product of its digits is 78732, while the sum is 45.

The square root of 116361999 is about 10787.1219053091. The cubic root of 116361999 is about 488.2066878993.

The spelling of 116361999 in words is "one hundred sixteen million, three hundred sixty-one thousand, nine hundred ninety-nine".