186468486320 has 20 divisors (see below), whose sum is σ = 433539230880. Its totient is φ = 74587394496.

The previous prime is 186468486223. The next prime is 186468486329. The reversal of 186468486320 is 23684864681.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (186468486329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1165427960 + ... + 1165428119.

It is an arithmetic number, because the mean of its divisors is an integer number (21676961544).

Almost surely, 2^186468486320 is an apocalyptic number.

186468486320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

186468486320 is an abundant number, since it is smaller than the sum of its proper divisors (247070744560).

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

186468486320 is a wasteful number, since it uses less digits than its factorization.

186468486320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2330856092 (or 2330856086 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 56.

The spelling of 186468486320 in words is "one hundred eighty-six billion, four hundred sixty-eight million, four hundred eighty-six thousand, three hundred twenty".