186118188240196 has 9 divisors (see below), whose sum is σ = 325706877169149. Its totient is φ = 93059080477584.

The previous prime is 186118188240143. The next prime is 186118188240269. The reversal of 186118188240196 is 691042881811681.

The square root of 186118188240196 is 13642514.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 173427038488900 + 12691149751296 = 13169170^2 + 3562464^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23874400 + ... + 30695656.

Almost surely, 2^{186118188240196} is an apocalyptic number.

186118188240196 is the 13642514-th square number.

It is an amenable number.

186118188240196 is a deficient number, since it is larger than the sum of its proper divisors (139588688928953).

186118188240196 is an frugal number, since it uses more digits than its factorization.

186118188240196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13642518 (or 6821259 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 64.

The spelling of 186118188240196 in words is "one hundred eighty-six trillion, one hundred eighteen billion, one hundred eighty-eight million, two hundred forty thousand, one hundred ninety-six".