6605890132 has 24 divisors (see below), whose sum is σ = 12205555040. Its totient is φ = 3119640480.

The previous prime is 6605890129. The next prime is 6605890147. The reversal of 6605890132 is 2310985066.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 106143 + ... + 156454.

Almost surely, 2^6605890132 is an apocalyptic number.

It is an amenable number.

6605890132 is a deficient number, since it is larger than the sum of its proper divisors (5599664908).

6605890132 is a wasteful number, since it uses less digits than its factorization.

6605890132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262951 (or 262949 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 6605890132 is about 81276.6272184076. The cubic root of 6605890132 is about 1876.3352983819.

The spelling of 6605890132 in words is "six billion, six hundred five million, eight hundred ninety thousand, one hundred thirty-two".