5771571664 has 20 divisors (see below), whose sum is σ = 11317150656. Its totient is φ = 2851016672.

The previous prime is 5771571623. The next prime is 5771571667. The reversal of 5771571664 is 4661751775.

It is a super-2 number, since 2×5771571664² = 66622078945375457792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5771571667) 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, 2171704 + ... + 2174359.

Almost surely, 2^5771571664 is an apocalyptic number.

It is an amenable number.

5771571664 is a deficient number, since it is larger than the sum of its proper divisors (5545578992).

5771571664 is a wasteful number, since it uses less digits than its factorization.

5771571664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346154 (or 4346148 counting only the distinct ones).

The product of its digits is 1234800, while the sum is 49.

The square root of 5771571664 is about 75970.8606243210. The cubic root of 5771571664 is about 1793.7614963566.

The spelling of 5771571664 in words is "five billion, seven hundred seventy-one million, five hundred seventy-one thousand, six hundred sixty-four".