186146641406 has 16 divisors (see below), whose sum is σ = 304617969648. Its totient is φ = 84608116800.

The previous prime is 186146641403. The next prime is 186146641441. The reversal of 186146641406 is 604146641681.

186146641406 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (186146641403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305546 + ... + 682386.

It is an arithmetic number, because the mean of its divisors is an integer number (19038623103).

Almost surely, 2^186146641406 is an apocalyptic number.

186146641406 is a deficient number, since it is larger than the sum of its proper divisors (118471328242).

186146641406 is a wasteful number, since it uses less digits than its factorization.

186146641406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399307.

The product of its (nonzero) digits is 663552, while the sum is 47.

The spelling of 186146641406 in words is "one hundred eighty-six billion, one hundred forty-six million, six hundred forty-one thousand, four hundred six".