116599999 has 4 divisors (see below), whose sum is σ = 116623800. Its totient is φ = 116576200.

The previous prime is 116599939. The next prime is 116600009. The reversal of 116599999 is 999995611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 116599999 - 2²³ = 108211391 is a prime.

It is a Duffinian number.

116599999 is a modest number, since divided by 99999 gives 1165 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116599909) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1552 + ... + 15349.

It is an arithmetic number, because the mean of its divisors is an integer number (29155950).

Almost surely, 2^116599999 is an apocalyptic number.

116599999 is a deficient number, since it is larger than the sum of its proper divisors (23801).

116599999 is an equidigital number, since it uses as much as digits as its factorization.

116599999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23800.

The product of its digits is 1771470, while the sum is 58.

The square root of 116599999 is about 10798.1479430502. The cubic root of 116599999 is about 488.5393109903.

The spelling of 116599999 in words is "one hundred sixteen million, five hundred ninety-nine thousand, nine hundred ninety-nine".