18127968 has 24 divisors (see below), whose sum is σ = 47586168. Its totient is φ = 6042624.

The previous prime is 18127951. The next prime is 18127969. The reversal of 18127968 is 86972181.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18127969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94321 + ... + 94512.

It is an arithmetic number, because the mean of its divisors is an integer number (1982757).

Almost surely, 2^18127968 is an apocalyptic number.

It is an amenable number.

18127968 is an abundant number, since it is smaller than the sum of its proper divisors (29458200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18127968 is a wasteful number, since it uses less digits than its factorization.

18127968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188846 (or 188838 counting only the distinct ones).

The product of its digits is 48384, while the sum is 42.

The square root of 18127968 is about 4257.6951511352. The cubic root of 18127968 is about 262.6937309100.

The spelling of 18127968 in words is "eighteen million, one hundred twenty-seven thousand, nine hundred sixty-eight".