188498378896 has 15 divisors (see below), whose sum is σ = 365218973913. Its totient is φ = 94248321120.

The previous prime is 188498378879. The next prime is 188498378921. The reversal of 188498378896 is 698873894881.

The square root of 188498378896 is 434164.

It is a perfect power (a square), and thus also a powerful number.

188498378896 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 168786218896 + 19712160000 = 410836^2 + 140400^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1682386 + ... + 1790926.

Almost surely, 2^188498378896 is an apocalyptic number.

188498378896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

188498378896 is the 434164-th square number.

It is an amenable number.

188498378896 is a deficient number, since it is larger than the sum of its proper divisors (176720595017).

188498378896 is an frugal number, since it uses more digits than its factorization.

188498378896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217090 (or 108543 counting only the distinct ones).

The product of its digits is 1337720832, while the sum is 79.

The spelling of 188498378896 in words is "one hundred eighty-eight billion, four hundred ninety-eight million, three hundred seventy-eight thousand, eight hundred ninety-six".