188201389456 has 40 divisors (see below), whose sum is σ = 386118974304. Its totient is φ = 88558625280.

The previous prime is 188201389447. The next prime is 188201389459. The reversal of 188201389456 is 654983102881.

It is a happy number.

188201389456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 188201389397 and 188201389406.

It is not an unprimeable number, because it can be changed into a prime (188201389459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7039891 + ... + 7066573.

Almost surely, 2^188201389456 is an apocalyptic number.

188201389456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

188201389456 is an abundant number, since it is smaller than the sum of its proper divisors (197917584848).

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

188201389456 is a wasteful number, since it uses less digits than its factorization.

188201389456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52639 (or 52633 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 55.

The spelling of 188201389456 in words is "one hundred eighty-eight billion, two hundred one million, three hundred eighty-nine thousand, four hundred fifty-six".