186231768648 has 64 divisors (see below), whose sum is σ = 482592760320. Its totient is φ = 59825433600.

The previous prime is 186231768643. The next prime is 186231768659. The reversal of 186231768648 is 846867132681.

It is a junction number, because it is equal to n+sod(n) for n = 186231768591 and 186231768600.

It is not an unprimeable number, because it can be changed into a prime (186231768643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 340015 + ... + 698622.

It is an arithmetic number, because the mean of its divisors is an integer number (7540511880).

Almost surely, 2^186231768648 is an apocalyptic number.

It is an amenable number.

186231768648 is an abundant number, since it is smaller than the sum of its proper divisors (296360991672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

186231768648 is a wasteful number, since it uses less digits than its factorization.

186231768648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038918 (or 1038914 counting only the distinct ones).

The product of its digits is 18579456, while the sum is 60.

The spelling of 186231768648 in words is "one hundred eighty-six billion, two hundred thirty-one million, seven hundred sixty-eight thousand, six hundred forty-eight".