6658434068 has 24 divisors (see below), whose sum is σ = 13689369120. Its totient is φ = 2793748320.

The previous prime is 6658434053. The next prime is 6658434089. The reversal of 6658434068 is 8604348566.

It is a happy number.

It is a congruent number.

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, 5819738 + ... + 5820881.

It is an arithmetic number, because the mean of its divisors is an integer number (570390380).

Almost surely, 2^6658434068 is an apocalyptic number.

It is an amenable number.

6658434068 is an abundant number, since it is smaller than the sum of its proper divisors (7030935052).

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

6658434068 is a wasteful number, since it uses less digits than its factorization.

6658434068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11640647 (or 11640645 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 50.

The square root of 6658434068 is about 81599.2283541946. The cubic root of 6658434068 is about 1881.2970214506.

The spelling of 6658434068 in words is "six billion, six hundred fifty-eight million, four hundred thirty-four thousand, sixty-eight".