5168551868 has 12 divisors (see below), whose sum is σ = 9047915520. Its totient is φ = 2583433152.

The previous prime is 5168551831. The next prime is 5168551889. The reversal of 5168551868 is 8681558615.

It is a congruent number.

It is an unprimeable number.

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, 196796 + ... + 221507.

It is an arithmetic number, because the mean of its divisors is an integer number (753992960).

Almost surely, 2^5168551868 is an apocalyptic number.

It is an amenable number.

5168551868 is a deficient number, since it is larger than the sum of its proper divisors (3879363652).

5168551868 is a wasteful number, since it uses less digits than its factorization.

5168551868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421396 (or 421394 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 53.

The square root of 5168551868 is about 71892.6412645968. The cubic root of 5168551868 is about 1728.9786333110.

The spelling of 5168551868 in words is "five billion, one hundred sixty-eight million, five hundred fifty-one thousand, eight hundred sixty-eight".