116581607 has 8 divisors (see below), whose sum is σ = 120506880. Its totient is φ = 112666680.

The previous prime is 116581603. The next prime is 116581613. The reversal of 116581607 is 706185611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 116581607 - 2² = 116581603 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 (116581603) 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 7 ways as a sum of consecutive naturals, for example, 25244 + ... + 29502.

It is an arithmetic number, because the mean of its divisors is an integer number (15063360).

Almost surely, 2^116581607 is an apocalyptic number.

116581607 is a deficient number, since it is larger than the sum of its proper divisors (3925273).

116581607 is an equidigital number, since it uses as much as digits as its factorization.

116581607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5173.

The product of its (nonzero) digits is 10080, while the sum is 35.

The square root of 116581607 is about 10797.2962819402. The cubic root of 116581607 is about 488.5136229184.

The spelling of 116581607 in words is "one hundred sixteen million, five hundred eighty-one thousand, six hundred seven".