186109441850 has 12 divisors (see below), whose sum is σ = 346163561934. Its totient is φ = 74443776720.

The previous prime is 186109441831. The next prime is 186109441867. The reversal of 186109441850 is 58144901681.

It can be written as a sum of positive squares in 3 ways, for example, as 95652262729 + 90457179121 = 309277^2 + 300761^2 .

It is a junction number, because it is equal to n+sod(n) for n = 186109441795 and 186109441804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1861094369 + ... + 1861094468.

Almost surely, 2^186109441850 is an apocalyptic number.

186109441850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

186109441850 is a deficient number, since it is larger than the sum of its proper divisors (160054120084).

186109441850 is a wasteful number, since it uses less digits than its factorization.

186109441850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3722188849 (or 3722188844 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 47.

The spelling of 186109441850 in words is "one hundred eighty-six billion, one hundred nine million, four hundred forty-one thousand, eight hundred fifty".