188528426384 has 20 divisors (see below), whose sum is σ = 367186260480. Its totient is φ = 93770681760.

The previous prime is 188528426357. The next prime is 188528426417. The reversal of 188528426384 is 483624825881.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30842564 + ... + 30848675.

It is an arithmetic number, because the mean of its divisors is an integer number (18359313024).

Almost surely, 2^188528426384 is an apocalyptic number.

It is an amenable number.

188528426384 is a deficient number, since it is larger than the sum of its proper divisors (178657834096).

188528426384 is a wasteful number, since it uses less digits than its factorization.

188528426384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61691438 (or 61691432 counting only the distinct ones).

The product of its digits is 23592960, while the sum is 59.

The spelling of 188528426384 in words is "one hundred eighty-eight billion, five hundred twenty-eight million, four hundred twenty-six thousand, three hundred eighty-four".