186083357138 has 16 divisors (see below), whose sum is σ = 335789517120. Its totient is φ = 75552641136.

The previous prime is 186083357111. The next prime is 186083357183. The reversal of 186083357138 is 831753380681.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 186083357138.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349780481 + ... + 349781012.

It is an arithmetic number, because the mean of its divisors is an integer number (20986844820).

Almost surely, 2^186083357138 is an apocalyptic number.

186083357138 is a deficient number, since it is larger than the sum of its proper divisors (149706159982).

186083357138 is a wasteful number, since it uses less digits than its factorization.

186083357138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699561521.

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 186083357138 in words is "one hundred eighty-six billion, eighty-three million, three hundred fifty-seven thousand, one hundred thirty-eight".