186865847052 has 24 divisors (see below), whose sum is σ = 441993192816. Its totient is φ = 61435346688.

The previous prime is 186865847023. The next prime is 186865847057. The reversal of 186865847052 is 250748568681.

It is a super-2 number, since 2×186865847052² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (186865847057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106657713 + ... + 106659464.

It is an arithmetic number, because the mean of its divisors is an integer number (18416383034).

Almost surely, 2^186865847052 is an apocalyptic number.

186865847052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

186865847052 is an abundant number, since it is smaller than the sum of its proper divisors (255127345764).

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

186865847052 is a wasteful number, since it uses less digits than its factorization.

186865847052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213317257 (or 213317255 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 60.

The spelling of 186865847052 in words is "one hundred eighty-six billion, eight hundred sixty-five million, eight hundred forty-seven thousand, fifty-two".