82199198648 has 16 divisors (see below), whose sum is σ = 176141140080. Its totient is φ = 35228227968.

The previous prime is 82199198621. The next prime is 82199198657. The reversal of 82199198648 is 84689199128.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 733921361 + ... + 733921472.

It is an arithmetic number, because the mean of its divisors is an integer number (11008821255).

Almost surely, 2^82199198648 is an apocalyptic number.

It is an amenable number.

82199198648 is an abundant number, since it is smaller than the sum of its proper divisors (93941941432).

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

82199198648 is a wasteful number, since it uses less digits than its factorization.

82199198648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1467842846 (or 1467842842 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 65.

The spelling of 82199198648 in words is "eighty-two billion, one hundred ninety-nine million, one hundred ninety-eight thousand, six hundred forty-eight".