6722997171 has 32 divisors (see below), whose sum is σ = 10127794176. Its totient is φ = 3931620000.

The previous prime is 6722997167. The next prime is 6722997227. The reversal of 6722997171 is 1717992276.

It is not a de Polignac number, because 6722997171 - 2² = 6722997167 is a prime.

It is a super-2 number, since 2×6722997171² = 90397381922548006482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6722997101) 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 31 ways as a sum of consecutive naturals, for example, 79596 + ... + 140646.

It is an arithmetic number, because the mean of its divisors is an integer number (316493568).

Almost surely, 2^6722997171 is an apocalyptic number.

6722997171 is a deficient number, since it is larger than the sum of its proper divisors (3404797005).

6722997171 is a wasteful number, since it uses less digits than its factorization.

6722997171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61183.

The product of its digits is 666792, while the sum is 51.

The square root of 6722997171 is about 81993.8849610140. The cubic root of 6722997171 is about 1887.3581007370.

The spelling of 6722997171 in words is "six billion, seven hundred twenty-two million, nine hundred ninety-seven thousand, one hundred seventy-one".