5168959920 has 280 divisors, whose sum is σ = 18140687136. Its totient is φ = 1369073664.

The previous prime is 5168959919. The next prime is 5168959951. The reversal of 5168959920 is 299598615.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 15337992 + ... + 15338328.

Almost surely, 2^5168959920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5168959920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9070343568).

5168959920 is an abundant number, since it is smaller than the sum of its proper divisors (12971727216).

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

5168959920 is a wasteful number, since it uses less digits than its factorization.

5168959920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 54.

The square root of 5168959920 is about 71895.4791346438. The cubic root of 5168959920 is about 1729.0241324916.

The spelling of 5168959920 in words is "five billion, one hundred sixty-eight million, nine hundred fifty-nine thousand, nine hundred twenty".