186664713248 has 144 divisors (see below), whose sum is σ = 418466381760. Its totient is φ = 81467223552.

The previous prime is 186664713197. The next prime is 186664713259. The reversal of 186664713248 is 842317466681.

It is a junction number, because it is equal to n+sod(n) for n = 186664713193 and 186664713202.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129000461 + ... + 129001907.

It is an arithmetic number, because the mean of its divisors is an integer number (2906016540).

Almost surely, 2^186664713248 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 186664713248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209233190880).

186664713248 is an abundant number, since it is smaller than the sum of its proper divisors (231801668512).

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

186664713248 is a wasteful number, since it uses less digits than its factorization.

186664713248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2367 (or 2340 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 56.

The spelling of 186664713248 in words is "one hundred eighty-six billion, six hundred sixty-four million, seven hundred thirteen thousand, two hundred forty-eight".