116446509 has 12 divisors (see below), whose sum is σ = 173626752. Its totient is φ = 75126600.

The previous prime is 116446507. The next prime is 116446523. The reversal of 116446509 is 905644611.

116446509 is a `hidden beast` number, since 1 + 1 + 644 + 6 + 5 + 0 + 9 = 666.

It is not a de Polignac number, because 116446509 - 2¹ = 116446507 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116446501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 208407 + ... + 208964.

It is an arithmetic number, because the mean of its divisors is an integer number (14468896).

Almost surely, 2^116446509 is an apocalyptic number.

It is an amenable number.

116446509 is a deficient number, since it is larger than the sum of its proper divisors (57180243).

116446509 is a wasteful number, since it uses less digits than its factorization.

116446509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417408 (or 417405 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 116446509 is about 10791.0383652362. The cubic root of 116446509 is about 488.3248489352.

The spelling of 116446509 in words is "one hundred sixteen million, four hundred forty-six thousand, five hundred nine".