189706226108193 has 6 divisors (see below), whose sum is σ = 274020104378514. Its totient is φ = 126470817405456.

The previous prime is 189706226108167. The next prime is 189706226108233. The reversal of 189706226108193 is 391801622607981.

189706226108193 is a `hidden beast` number, since 1 + 8 + 9 + 7 + 0 + 6 + 2 + 2 + 610 + 8 + 1 + 9 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 124425368870544 + 65280857237649 = 11154612^2 + 8079657^2 .

It is not a de Polignac number, because 189706226108193 - 2⁶ = 189706226108129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 189706226108193.

It is not an unprimeable number, because it can be changed into a prime (189706226108093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10539234783780 + ... + 10539234783797.

It is an arithmetic number, because the mean of its divisors is an integer number (45670017396419).

Almost surely, 2^{189706226108193} is an apocalyptic number.

It is an amenable number.

189706226108193 is a deficient number, since it is larger than the sum of its proper divisors (84313878270321).

189706226108193 is a wasteful number, since it uses less digits than its factorization.

189706226108193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21078469567583 (or 21078469567580 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 189706226108193 in words is "one hundred eighty-nine trillion, seven hundred six billion, two hundred twenty-six million, one hundred eight thousand, one hundred ninety-three".