186868336852 has 12 divisors (see below), whose sum is σ = 327459728736. Its totient is φ = 93308414360.

The previous prime is 186868336841. The next prime is 186868336909. The reversal of 186868336852 is 258633868681.

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, 31435174 + ... + 31441117.

It is an arithmetic number, because the mean of its divisors is an integer number (27288310728).

Almost surely, 2^186868336852 is an apocalyptic number.

It is an amenable number.

186868336852 is a deficient number, since it is larger than the sum of its proper divisors (140591391884).

186868336852 is a wasteful number, since it uses less digits than its factorization.

186868336852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62877038 (or 62877036 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 64.

It can be divided in two parts, 18686 and 8336852, that added together give a palindrome (8355538).

The spelling of 186868336852 in words is "one hundred eighty-six billion, eight hundred sixty-eight million, three hundred thirty-six thousand, eight hundred fifty-two".