82018186 has 8 divisors (see below), whose sum is σ = 123106500. Its totient is φ = 40982688.

The previous prime is 82018169. The next prime is 82018187. The reversal of 82018186 is 68181028.

It can be written as a sum of positive squares in 2 ways, for example, as 77528025 + 4490161 = 8805^2 + 2119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (82018187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9061 + ... + 15688.

Almost surely, 2^82018186 is an apocalyptic number.

82018186 is a deficient number, since it is larger than the sum of its proper divisors (41088314).

82018186 is a wasteful number, since it uses less digits than its factorization.

82018186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26408.

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 82018186 is about 9056.3892363348. The cubic root of 82018186 is about 434.4802635769.

The spelling of 82018186 in words is "eighty-two million, eighteen thousand, one hundred eighty-six".