1866350082 has 8 divisors (see below), whose sum is σ = 3732700176. Its totient is φ = 622116692.

The previous prime is 1866350077. The next prime is 1866350093. The reversal of 1866350082 is 2800536681.

It is a happy number.

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

1866350082 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1866350082.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155529168 + ... + 155529179.

It is an arithmetic number, because the mean of its divisors is an integer number (466587522).

Almost surely, 2^1866350082 is an apocalyptic number.

1866350082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1866350082 is a wasteful number, since it uses less digits than its factorization.

1866350082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311058352.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1866350082 is about 43201.2740784343. The cubic root of 1866350082 is about 1231.2068886380.

The spelling of 1866350082 in words is "one billion, eight hundred sixty-six million, three hundred fifty thousand, eighty-two".