189706226108257 has 16 divisors (see below), whose sum is σ = 199243268352000. Its totient is φ = 180370702512000.

The previous prime is 189706226108233. The next prime is 189706226108317. The reversal of 189706226108257 is 752801622607981.

It is a cyclic number.

It is not a de Polignac number, because 189706226108257 - 2⁷ = 189706226108129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (189706226108657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10436257 + ... + 22098142.

It is an arithmetic number, because the mean of its divisors is an integer number (12452704272000).

Almost surely, 2^{189706226108257} is an apocalyptic number.

It is an amenable number.

189706226108257 is a deficient number, since it is larger than the sum of its proper divisors (9537042243743).

189706226108257 is a wasteful number, since it uses less digits than its factorization.

189706226108257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32537496.

The product of its (nonzero) digits is 40642560, while the sum is 64.

The spelling of 189706226108257 in words is "one hundred eighty-nine trillion, seven hundred six billion, two hundred twenty-six million, one hundred eight thousand, two hundred fifty-seven".