17968299144 has 32 divisors (see below), whose sum is σ = 44924053920. Its totient is φ = 5988992256.

The previous prime is 17968299133. The next prime is 17968299149. The reversal of 17968299144 is 44199286971.

It is a super-2 number, since 2×17968299144² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (17968299149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568707 + ... + 599469.

It is an arithmetic number, because the mean of its divisors is an integer number (1403876685).

Almost surely, 2^17968299144 is an apocalyptic number.

It is an amenable number.

17968299144 is an abundant number, since it is smaller than the sum of its proper divisors (26955754776).

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

17968299144 is a wasteful number, since it uses less digits than its factorization.

17968299144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55109 (or 55105 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 60.

The spelling of 17968299144 in words is "seventeen billion, nine hundred sixty-eight million, two hundred ninety-nine thousand, one hundred forty-four".