6605405412 has 24 divisors (see below), whose sum is σ = 15438360000. Its totient is φ = 2198123616.

The previous prime is 6605405393. The next prime is 6605405419. The reversal of 6605405412 is 2145045066.

It is not an unprimeable number, because it can be changed into a prime (6605405419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 452287 + ... + 466662.

It is an arithmetic number, because the mean of its divisors is an integer number (643265000).

Almost surely, 2^6605405412 is an apocalyptic number.

It is an amenable number.

6605405412 is an abundant number, since it is smaller than the sum of its proper divisors (8832954588).

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

6605405412 is a wasteful number, since it uses less digits than its factorization.

6605405412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919555 (or 919553 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 6605405412 is about 81273.6452486290. The cubic root of 6605405412 is about 1876.2894040122.

The spelling of 6605405412 in words is "six billion, six hundred five million, four hundred five thousand, four hundred twelve".