116345999 has 16 divisors (see below), whose sum is σ = 150059520. Its totient is φ = 87531360.

The previous prime is 116345989. The next prime is 116346001. The reversal of 116345999 is 999543611.

It is a happy number.

It is not a de Polignac number, because 116345999 - 2¹² = 116341903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116345959) 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 15 ways as a sum of consecutive naturals, for example, 23819 + ... + 28284.

It is an arithmetic number, because the mean of its divisors is an integer number (9378720).

Almost surely, 2^116345999 is an apocalyptic number.

116345999 is a deficient number, since it is larger than the sum of its proper divisors (33713521).

116345999 is a wasteful number, since it uses less digits than its factorization.

116345999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52150.

The product of its digits is 262440, while the sum is 47.

The square root of 116345999 is about 10786.3802547472. The cubic root of 116345999 is about 488.1843104189.

The spelling of 116345999 in words is "one hundred sixteen million, three hundred forty-five thousand, nine hundred ninety-nine".