116205399 has 6 divisors (see below), whose sum is σ = 167852256. Its totient is φ = 77470260.

The previous prime is 116205373. The next prime is 116205409. The reversal of 116205399 is 993502611.

116205399 is a `hidden beast` number, since 116 + 2 + 0 + 539 + 9 = 666.

It is not a de Polignac number, because 116205399 - 2⁵ = 116205367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116205599) 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 5 ways as a sum of consecutive naturals, for example, 6455847 + ... + 6455864.

It is an arithmetic number, because the mean of its divisors is an integer number (27975376).

Almost surely, 2^116205399 is an apocalyptic number.

116205399 is a deficient number, since it is larger than the sum of its proper divisors (51646857).

116205399 is a wasteful number, since it uses less digits than its factorization.

116205399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12911717 (or 12911714 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 116205399 is about 10779.8608061514. The cubic root of 116205399 is about 487.9875800275.

The spelling of 116205399 in words is "one hundred sixteen million, two hundred five thousand, three hundred ninety-nine".