188535549068 has 24 divisors (see below), whose sum is σ = 331780680000. Its totient is φ = 93741556608.

The previous prime is 188535549047. The next prime is 188535549071. The reversal of 188535549068 is 860945535881.

It is a self number, because there is not a number n which added to its sum of digits gives 188535549068.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1515368 + ... + 1635056.

It is an arithmetic number, because the mean of its divisors is an integer number (13824195000).

Almost surely, 2^188535549068 is an apocalyptic number.

It is an amenable number.

188535549068 is a deficient number, since it is larger than the sum of its proper divisors (143245130932).

188535549068 is a wasteful number, since it uses less digits than its factorization.

188535549068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121889 (or 121887 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 62.

The spelling of 188535549068 in words is "one hundred eighty-eight billion, five hundred thirty-five million, five hundred forty-nine thousand, sixty-eight".