66186102 has 8 divisors (see below), whose sum is σ = 132372216. Its totient is φ = 22062032.

The previous prime is 66186097. The next prime is 66186137. The reversal of 66186102 is 20168166.

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

66186102 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 66186102.

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, 5515503 + ... + 5515514.

It is an arithmetic number, because the mean of its divisors is an integer number (16546527).

Almost surely, 2^66186102 is an apocalyptic number.

66186102 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.

66186102 is a wasteful number, since it uses less digits than its factorization.

66186102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11031022.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 66186102 is about 8135.4841281881. The cubic root of 66186102 is about 404.5034854289.

It can be divided in two parts, 6618 and 6102, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 66186102 in words is "sixty-six million, one hundred eighty-six thousand, one hundred two".