6505583916 has 48 divisors (see below), whose sum is σ = 16358227424. Its totient is φ = 2000388096.

The previous prime is 6505583881. The next prime is 6505583923. The reversal of 6505583916 is 6193855056.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236076 + ... + 262188.

Almost surely, 2^6505583916 is an apocalyptic number.

It is an amenable number.

6505583916 is an abundant number, since it is smaller than the sum of its proper divisors (9852643508).

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

6505583916 is a wasteful number, since it uses less digits than its factorization.

6505583916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27730 (or 27728 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The square root of 6505583916 is about 80657.2000257882. The cubic root of 6505583916 is about 1866.7898364446.

The spelling of 6505583916 in words is "six billion, five hundred five million, five hundred eighty-three thousand, nine hundred sixteen".