82185560 has 16 divisors (see below), whose sum is σ = 184917600. Its totient is φ = 32874208.

The previous prime is 82185559. The next prime is 82185589. The reversal of 82185560 is 6558128.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 82185560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027280 + ... + 1027359.

It is an arithmetic number, because the mean of its divisors is an integer number (11557350).

Almost surely, 2^82185560 is an apocalyptic number.

It is an amenable number.

82185560 is an abundant number, since it is smaller than the sum of its proper divisors (102732040).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82185560 is a wasteful number, since it uses less digits than its factorization.

82185560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054650 (or 2054646 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 35.

The square root of 82185560 is about 9065.6251852809. The cubic root of 82185560 is about 434.7756098178.

The spelling of 82185560 in words is "eighty-two million, one hundred eighty-five thousand, five hundred sixty".