6911664 has 40 divisors (see below), whose sum is σ = 17951232. Its totient is φ = 2291520.

The previous prime is 6911647. The next prime is 6911683. The reversal of 6911664 is 4661196.

It is a super-3 number, since 3×6911664³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14697 + ... + 15159.

Almost surely, 2^6911664 is an apocalyptic number.

It is an amenable number.

6911664 is an abundant number, since it is smaller than the sum of its proper divisors (11039568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6911664 is a wasteful number, since it uses less digits than its factorization.

6911664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785 (or 779 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 6911664 is about 2629.0043742832. The cubic root of 6911664 is about 190.4850395730.

The spelling of 6911664 in words is "six million, nine hundred eleven thousand, six hundred sixty-four".