186389492252 has 12 divisors (see below), whose sum is σ = 326186294280. Its totient is φ = 93193408176.

The previous prime is 186389492231. The next prime is 186389492293. The reversal of 186389492252 is 252294983681.

It is a junction number, because it is equal to n+sod(n) for n = 186389492191 and 186389492200.

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, 20918 + ... + 610914.

It is an arithmetic number, because the mean of its divisors is an integer number (27182191190).

Almost surely, 2^186389492252 is an apocalyptic number.

It is an amenable number.

186389492252 is a deficient number, since it is larger than the sum of its proper divisors (139796802028).

186389492252 is a wasteful number, since it uses less digits than its factorization.

186389492252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668980 (or 668978 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 59.

The spelling of 186389492252 in words is "one hundred eighty-six billion, three hundred eighty-nine million, four hundred ninety-two thousand, two hundred fifty-two".