5164722561 has 8 divisors (see below), whose sum is σ = 7046443360. Its totient is φ = 3363075072.

The previous prime is 5164722539. The next prime is 5164722571. The reversal of 5164722561 is 1652274615.

5164722561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5164722561 - 2¹⁸ = 5164460417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5164722571) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20018176 + ... + 20018433.

It is an arithmetic number, because the mean of its divisors is an integer number (880805420).

Almost surely, 2^5164722561 is an apocalyptic number.

It is an amenable number.

5164722561 is a deficient number, since it is larger than the sum of its proper divisors (1881720799).

5164722561 is a wasteful number, since it uses less digits than its factorization.

5164722561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40036655.

The product of its digits is 100800, while the sum is 39.

The square root of 5164722561 is about 71866.0042092226. The cubic root of 5164722561 is about 1728.5515358758.

The spelling of 5164722561 in words is "five billion, one hundred sixty-four million, seven hundred twenty-two thousand, five hundred sixty-one".