82188316 has 24 divisors (see below), whose sum is σ = 169680896. Its totient is φ = 34086960.

The previous prime is 82188311. The next prime is 82188317. The reversal of 82188316 is 61388128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82188311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46476 + ... + 48211.

Almost surely, 2^82188316 is an apocalyptic number.

It is an amenable number.

82188316 is an abundant number, since it is smaller than the sum of its proper divisors (87492580).

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

82188316 is a wasteful number, since it uses less digits than its factorization.

82188316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94729 (or 94727 counting only the distinct ones).

The product of its digits is 18432, while the sum is 37.

The square root of 82188316 is about 9065.7771867612. Note that the first 3 decimals coincide. The cubic root of 82188316 is about 434.7804696666.

The spelling of 82188316 in words is "eighty-two million, one hundred eighty-eight thousand, three hundred sixteen".