116565559 has 8 divisors (see below), whose sum is σ = 127276560. Its totient is φ = 105873600.

The previous prime is 116565557. The next prime is 116565563. The reversal of 116565559 is 955565611.

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 116565559 - 2¹ = 116565557 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 (116565557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10069 + ... + 18289.

It is an arithmetic number, because the mean of its divisors is an integer number (15909570).

Almost surely, 2^116565559 is an apocalyptic number.

116565559 is a deficient number, since it is larger than the sum of its proper divisors (10711001).

116565559 is a wasteful number, since it uses less digits than its factorization.

116565559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9521.

The product of its digits is 202500, while the sum is 43.

The square root of 116565559 is about 10796.5531073579. The cubic root of 116565559 is about 488.4912064997.

The spelling of 116565559 in words is "one hundred sixteen million, five hundred sixty-five thousand, five hundred fifty-nine".