916113559 has 4 divisors (see below), whose sum is σ = 917061904. Its totient is φ = 915165216.

The previous prime is 916113551. The next prime is 916113577. The reversal of 916113559 is 955311619.

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 916113559 - 2³ = 916113551 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 (916113551) 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, 472722 + ... + 474655.

It is an arithmetic number, because the mean of its divisors is an integer number (229265476).

Almost surely, 2^916113559 is an apocalyptic number.

916113559 is a deficient number, since it is larger than the sum of its proper divisors (948345).

916113559 is an equidigital number, since it uses as much as digits as its factorization.

916113559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948344.

The product of its digits is 36450, while the sum is 40.

The square root of 916113559 is about 30267.3678901883. The cubic root of 916113559 is about 971.2173609205.

The spelling of 916113559 in words is "nine hundred sixteen million, one hundred thirteen thousand, five hundred fifty-nine".