18950168 has 8 divisors (see below), whose sum is σ = 35531580. Its totient is φ = 9475080.

The previous prime is 18950161. The next prime is 18950171. The reversal of 18950168 is 86105981.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18950161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1184378 + ... + 1184393.

Almost surely, 2^18950168 is an apocalyptic number.

It is an amenable number.

18950168 is a deficient number, since it is larger than the sum of its proper divisors (16581412).

18950168 is a wasteful number, since it uses less digits than its factorization.

18950168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368777 (or 2368773 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 18950168 is about 4353.1790682213. The cubic root of 18950168 is about 266.6066767833.

The spelling of 18950168 in words is "eighteen million, nine hundred fifty thousand, one hundred sixty-eight".