8116559 has 6 divisors (see below), whose sum is σ = 8921640. Its totient is φ = 7378580.

The previous prime is 8116547. The next prime is 8116561. The reversal of 8116559 is 9556118.

8116559 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8116559 - 2⁴ = 8116543 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8116519) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33419 + ... + 33660.

It is an arithmetic number, because the mean of its divisors is an integer number (1486940).

Almost surely, 2^8116559 is an apocalyptic number.

8116559 is a deficient number, since it is larger than the sum of its proper divisors (805081).

8116559 is a wasteful number, since it uses less digits than its factorization.

8116559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67101 (or 67090 counting only the distinct ones).

The product of its digits is 10800, while the sum is 35.

The square root of 8116559 is about 2848.9575286410. The cubic root of 8116559 is about 200.9666454558.

The spelling of 8116559 in words is "eight million, one hundred sixteen thousand, five hundred fifty-nine".