82016559 has 12 divisors (see below), whose sum is σ = 124703800. Its totient is φ = 51799824.

The previous prime is 82016537. The next prime is 82016567. The reversal of 82016559 is 95561028.

It is a happy number.

It is not a de Polignac number, because 82016559 - 2⁵ = 82016527 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 (82016569) 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, 239644 + ... + 239985.

Almost surely, 2^82016559 is an apocalyptic number.

82016559 is a deficient number, since it is larger than the sum of its proper divisors (42687241).

82016559 is a wasteful number, since it uses less digits than its factorization.

82016559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479654 (or 479651 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 82016559 is about 9056.2994098031. The cubic root of 82016559 is about 434.4773906203.

The spelling of 82016559 in words is "eighty-two million, sixteen thousand, five hundred fifty-nine".