6888665464 has 16 divisors (see below), whose sum is σ = 12921730920. Its totient is φ = 3442870560.

The previous prime is 6888665461. The next prime is 6888665473. The reversal of 6888665464 is 4645668886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6888665461) 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, 162619 + ... + 200554.

Almost surely, 2^6888665464 is an apocalyptic number.

It is an amenable number.

6888665464 is a deficient number, since it is larger than the sum of its proper divisors (6033065456).

6888665464 is a wasteful number, since it uses less digits than its factorization.

6888665464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365550 (or 365546 counting only the distinct ones).

The product of its digits is 53084160, while the sum is 61.

The square root of 6888665464 is about 82997.9846984251. The cubic root of 6888665464 is about 1902.7352537711.

The spelling of 6888665464 in words is "six billion, eight hundred eighty-eight million, six hundred sixty-five thousand, four hundred sixty-four".