189475168247 has 8 divisors (see below), whose sum is σ = 195180859440. Its totient is φ = 183821112640.

The previous prime is 189475168237. The next prime is 189475168271. The reversal of 189475168247 is 742861574981.

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

It is a cyclic number.

It is not a de Polignac number, because 189475168247 - 2¹⁰ = 189475167223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 189475168247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189475168237) 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, 12901448 + ... + 12916125.

It is an arithmetic number, because the mean of its divisors is an integer number (24397607430).

Almost surely, 2^189475168247 is an apocalyptic number.

189475168247 is a deficient number, since it is larger than the sum of its proper divisors (5705691193).

189475168247 is a wasteful number, since it uses less digits than its factorization.

189475168247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25817793.

The product of its digits is 27095040, while the sum is 62.

The spelling of 189475168247 in words is "one hundred eighty-nine billion, four hundred seventy-five million, one hundred sixty-eight thousand, two hundred forty-seven".