168422250887 has 8 divisors (see below), whose sum is σ = 183995474832. Its totient is φ = 152892712000.

The previous prime is 168422250869. The next prime is 168422250889. The reversal of 168422250887 is 788052224861.

It is a happy number.

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 168422250887 - 2⁸ = 168422250631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168422250889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10913198 + ... + 10928619.

It is an arithmetic number, because the mean of its divisors is an integer number (22999434354).

Almost surely, 2^168422250887 is an apocalyptic number.

168422250887 is a deficient number, since it is larger than the sum of its proper divisors (15573223945).

168422250887 is a wasteful number, since it uses less digits than its factorization.

168422250887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21842529.

The product of its (nonzero) digits is 3440640, while the sum is 53.

The spelling of 168422250887 in words is "one hundred sixty-eight billion, four hundred twenty-two million, two hundred fifty thousand, eight hundred eighty-seven".