82098566 has 16 divisors (see below), whose sum is σ = 137203200. Its totient is φ = 36523080.

The previous prime is 82098539. The next prime is 82098581. The reversal of 82098566 is 66589028.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38666 + ... + 40733.

It is an arithmetic number, because the mean of its divisors is an integer number (8575200).

Almost surely, 2^82098566 is an apocalyptic number.

82098566 is a deficient number, since it is larger than the sum of its proper divisors (55104634).

82098566 is a wasteful number, since it uses less digits than its factorization.

82098566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79459.

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 82098566 is about 9060.8259005457. The cubic root of 82098566 is about 434.6221513006.

The spelling of 82098566 in words is "eighty-two million, ninety-eight thousand, five hundred sixty-six".