186053868 has 192 divisors, whose sum is σ = 648023040. Its totient is φ = 44582400.

The previous prime is 186053849. The next prime is 186053869. The reversal of 186053868 is 868350681.

186053868 is a `hidden beast` number, since 1 + 8 + 605 + 38 + 6 + 8 = 666.

186053868 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×186053868² = 69232083595522848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (186053869) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 107248 + ... + 108968.

It is an arithmetic number, because the mean of its divisors is an integer number (3375120).

Almost surely, 2^186053868 is an apocalyptic number.

186053868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 186053868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (324011520).

186053868 is an abundant number, since it is smaller than the sum of its proper divisors (461969172).

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

186053868 is a wasteful number, since it uses less digits than its factorization.

186053868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1765 (or 1757 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The square root of 186053868 is about 13640.1564507157. The cubic root of 186053868 is about 570.8818482834.

The spelling of 186053868 in words is "one hundred eighty-six million, fifty-three thousand, eight hundred sixty-eight".