3164051721 has 8 divisors (see below), whose sum is σ = 4219534144. Its totient is φ = 2108968560.

The previous prime is 3164051719. The next prime is 3164051743. The reversal of 3164051721 is 1271504613.

3164051721 is digitally balanced in base 2, 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 3164051721 - 2¹ = 3164051719 is a prime.

It is a super-2 number, since 2×3164051721² = 20022446586326123682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3164051771) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80806 + ... + 113391.

It is an arithmetic number, because the mean of its divisors is an integer number (527441768).

Almost surely, 2^3164051721 is an apocalyptic number.

It is an amenable number.

3164051721 is a deficient number, since it is larger than the sum of its proper divisors (1055482423).

3164051721 is a wasteful number, since it uses less digits than its factorization.

3164051721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199631.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 3164051721 is about 56249.9041865851. The cubic root of 3164051721 is about 1468.0736983408.

The spelling of 3164051721 in words is "three billion, one hundred sixty-four million, fifty-one thousand, seven hundred twenty-one".