186166214338 has 32 divisors (see below), whose sum is σ = 305303201280. Its totient is φ = 84616963200.

The previous prime is 186166214317. The next prime is 186166214341. The reversal of 186166214338 is 833412661681.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 186166214291 and 186166214300.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7305423 + ... + 7330861.

It is an arithmetic number, because the mean of its divisors is an integer number (9540725040).

Almost surely, 2^186166214338 is an apocalyptic number.

186166214338 is a deficient number, since it is larger than the sum of its proper divisors (119136986942).

186166214338 is a wasteful number, since it uses less digits than its factorization.

186166214338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29722.

The product of its digits is 995328, while the sum is 49.

The spelling of 186166214338 in words is "one hundred eighty-six billion, one hundred sixty-six million, two hundred fourteen thousand, three hundred thirty-eight".