5168224821 has 32 divisors (see below), whose sum is σ = 7476480000. Its totient is φ = 3165801408.

The previous prime is 5168224819. The next prime is 5168224823. The reversal of 5168224821 is 1284228615.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5168224819) and next prime (5168224823).

It is not a de Polignac number, because 5168224821 - 2¹ = 5168224819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5168224821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5168224823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 391710 + ... + 404688.

It is an arithmetic number, because the mean of its divisors is an integer number (233640000).

Almost surely, 2^5168224821 is an apocalyptic number.

It is an amenable number.

5168224821 is a deficient number, since it is larger than the sum of its proper divisors (2308255179).

5168224821 is a wasteful number, since it uses less digits than its factorization.

5168224821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13233.

The product of its digits is 61440, while the sum is 39.

The square root of 5168224821 is about 71890.3666773233. The cubic root of 5168224821 is about 1728.9421647336.

The spelling of 5168224821 in words is "five billion, one hundred sixty-eight million, two hundred twenty-four thousand, eight hundred twenty-one".