6659449332 has 12 divisors (see below), whose sum is σ = 15538715136. Its totient is φ = 2219816440.

The previous prime is 6659449319. The next prime is 6659449351. The reversal of 6659449332 is 2339449566.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277477044 + ... + 277477067.

It is an arithmetic number, because the mean of its divisors is an integer number (1294892928).

Almost surely, 2^6659449332 is an apocalyptic number.

It is an amenable number.

6659449332 is an abundant number, since it is smaller than the sum of its proper divisors (8879265804).

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

6659449332 is a wasteful number, since it uses less digits than its factorization.

6659449332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554954118 (or 554954116 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 51.

The square root of 6659449332 is about 81605.4491562910. The cubic root of 6659449332 is about 1881.3926353267.

The spelling of 6659449332 in words is "six billion, six hundred fifty-nine million, four hundred forty-nine thousand, three hundred thirty-two".