189706226108318 has 16 divisors (see below), whose sum is σ = 286265663094960. Its totient is φ = 94286033715456.

The previous prime is 189706226108317. The next prime is 189706226108353. The reversal of 189706226108318 is 813801622607981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189706226108317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423602228 + ... + 424049831.

It is an arithmetic number, because the mean of its divisors is an integer number (17891603943435).

Almost surely, 2^{189706226108318} is an apocalyptic number.

189706226108318 is a deficient number, since it is larger than the sum of its proper divisors (96559436986642).

189706226108318 is a wasteful number, since it uses less digits than its factorization.

189706226108318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847652731.

The product of its (nonzero) digits is 13934592, while the sum is 62.

The spelling of 189706226108318 in words is "one hundred eighty-nine trillion, seven hundred six billion, two hundred twenty-six million, one hundred eight thousand, three hundred eighteen".