5168371856 has 20 divisors (see below), whose sum is σ = 10020192000. Its totient is φ = 2582515872.

The previous prime is 5168371829. The next prime is 5168371877. The reversal of 5168371856 is 6581738615.

It is a happy number.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78656 + ... + 128543.

It is an arithmetic number, because the mean of its divisors is an integer number (501009600).

Almost surely, 2^5168371856 is an apocalyptic number.

It is an amenable number.

5168371856 is a deficient number, since it is larger than the sum of its proper divisors (4851820144).

5168371856 is a wasteful number, since it uses less digits than its factorization.

5168371856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208766 (or 208760 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 50.

The square root of 5168371856 is about 71891.3893035877. The cubic root of 5168371856 is about 1728.9585606019.

The spelling of 5168371856 in words is "five billion, one hundred sixty-eight million, three hundred seventy-one thousand, eight hundred fifty-six".