188405132084 has 48 divisors (see below), whose sum is σ = 363812993040. Its totient is φ = 84816322560.

The previous prime is 188405132033. The next prime is 188405132087. The reversal of 188405132084 is 480231504881.

It can be written as a sum of positive squares in 8 ways, for example, as 109612642084 + 78792490000 = 331078^2 + 280700^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188405132087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14476172 + ... + 14489180.

It is an arithmetic number, because the mean of its divisors is an integer number (7579437355).

Almost surely, 2^188405132084 is an apocalyptic number.

It is an amenable number.

188405132084 is a deficient number, since it is larger than the sum of its proper divisors (175407860956).

188405132084 is a wasteful number, since it uses less digits than its factorization.

188405132084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19860 (or 19858 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The spelling of 188405132084 in words is "one hundred eighty-eight billion, four hundred five million, one hundred thirty-two thousand, eighty-four".