188281688042 has 8 divisors (see below), whose sum is σ = 322768608096. Its totient is φ = 80692152012.

The previous prime is 188281688039. The next prime is 188281688069. The reversal of 188281688042 is 240886182881.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 6724345988 + ... + 6724346015.

It is an arithmetic number, because the mean of its divisors is an integer number (40346076012).

Almost surely, 2^188281688042 is an apocalyptic number.

188281688042 is a deficient number, since it is larger than the sum of its proper divisors (134486920054).

188281688042 is a wasteful number, since it uses less digits than its factorization.

188281688042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13448692012.

The product of its (nonzero) digits is 3145728, while the sum is 56.

The spelling of 188281688042 in words is "one hundred eighty-eight billion, two hundred eighty-one million, six hundred eighty-eight thousand, forty-two".