186261317412 has 48 divisors (see below), whose sum is σ = 437359104000. Its totient is φ = 61694887680.

The previous prime is 186261317371. The next prime is 186261317443. The reversal of 186261317412 is 214713162681.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2744464 + ... + 2811512.

It is an arithmetic number, because the mean of its divisors is an integer number (9111648000).

Almost surely, 2^186261317412 is an apocalyptic number.

186261317412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

186261317412 is an abundant number, since it is smaller than the sum of its proper divisors (251097786588).

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

186261317412 is a wasteful number, since it uses less digits than its factorization.

186261317412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68516 (or 68514 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The spelling of 186261317412 in words is "one hundred eighty-six billion, two hundred sixty-one million, three hundred seventeen thousand, four hundred twelve".