5721675161 has 4 divisors (see below), whose sum is σ = 5730743424. Its totient is φ = 5712606900.

The previous prime is 5721675131. The next prime is 5721675163. The reversal of 5721675161 is 1615761275.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5721675161 - 2¹⁰ = 5721674137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5721675163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4533185 + ... + 4534446.

It is an arithmetic number, because the mean of its divisors is an integer number (1432685856).

Almost surely, 2^5721675161 is an apocalyptic number.

It is an amenable number.

5721675161 is a deficient number, since it is larger than the sum of its proper divisors (9068263).

5721675161 is an equidigital number, since it uses as much as digits as its factorization.

5721675161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9068262.

The product of its digits is 88200, while the sum is 41.

The square root of 5721675161 is about 75641.7554066535. The cubic root of 5721675161 is about 1788.5773743778.

The spelling of 5721675161 in words is "five billion, seven hundred twenty-one million, six hundred seventy-five thousand, one hundred sixty-one".