189706226108258 has 16 divisors (see below), whose sum is σ = 301315870075680. Its totient is φ = 89268260018496.

The previous prime is 189706226108233. The next prime is 189706226108317. The reversal of 189706226108258 is 852801622607981.

It is a junction number, because it is equal to n+sod(n) for n = 189706226108194 and 189706226108203.

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, 163731416 + ... + 164885987.

It is an arithmetic number, because the mean of its divisors is an integer number (18832241879730).

Almost surely, 2^{189706226108258} is an apocalyptic number.

189706226108258 is a deficient number, since it is larger than the sum of its proper divisors (111609643967422).

189706226108258 is a wasteful number, since it uses less digits than its factorization.

189706226108258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328634401.

The product of its (nonzero) digits is 46448640, while the sum is 65.

The spelling of 189706226108258 in words is "one hundred eighty-nine trillion, seven hundred six billion, two hundred twenty-six million, one hundred eight thousand, two hundred fifty-eight".