518321368 has 16 divisors (see below), whose sum is σ = 1023003000. Its totient is φ = 245520576.

The previous prime is 518321341. The next prime is 518321369. The reversal of 518321368 is 863123815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518321369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1704853 + ... + 1705156.

Almost surely, 2^518321368 is an apocalyptic number.

It is an amenable number.

518321368 is a deficient number, since it is larger than the sum of its proper divisors (504681632).

518321368 is a wasteful number, since it uses less digits than its factorization.

518321368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410034 (or 3410030 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 518321368 is about 22766.6723084424. The cubic root of 518321368 is about 803.2789216469.

The spelling of 518321368 in words is "five hundred eighteen million, three hundred twenty-one thousand, three hundred sixty-eight".