186852380728 has 64 divisors (see below), whose sum is σ = 391849920000. Its totient is φ = 82965814272.

The previous prime is 186852380723. The next prime is 186852380731. The reversal of 186852380728 is 827083258681.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186852380723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69673 + ... + 615271.

It is an arithmetic number, because the mean of its divisors is an integer number (6122655000).

Almost surely, 2^186852380728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 186852380728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195924960000).

186852380728 is an abundant number, since it is smaller than the sum of its proper divisors (204997539272).

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

186852380728 is a wasteful number, since it uses less digits than its factorization.

186852380728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545744 (or 545740 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 58.

The spelling of 186852380728 in words is "one hundred eighty-six billion, eight hundred fifty-two million, three hundred eighty thousand, seven hundred twenty-eight".