5168082321 has 24 divisors (see below), whose sum is σ = 7629450920. Its totient is φ = 3370118400.

The previous prime is 5168082307. The next prime is 5168082329. The reversal of 5168082321 is 1232808615.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 75690000 + 5092392321 = 8700^2 + 71361^2 .

It is not a de Polignac number, because 5168082321 - 2⁷ = 5168082193 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5168082329) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73365 + ... + 125373.

Almost surely, 2^5168082321 is an apocalyptic number.

It is an amenable number.

5168082321 is a deficient number, since it is larger than the sum of its proper divisors (2461368599).

5168082321 is a wasteful number, since it uses less digits than its factorization.

5168082321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52257 (or 52254 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 5168082321 is about 71889.3755780366. The cubic root of 5168082321 is about 1728.9262742663.

The spelling of 5168082321 in words is "five billion, one hundred sixty-eight million, eighty-two thousand, three hundred twenty-one".