6500165650 has 24 divisors (see below), whose sum is σ = 13189428144. Its totient is φ = 2363696400.

The previous prime is 6500165629. The next prime is 6500165663. The reversal of 6500165650 is 565610056.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5908692 + ... + 5909791.

It is an arithmetic number, because the mean of its divisors is an integer number (549559506).

Almost surely, 2^6500165650 is an apocalyptic number.

6500165650 is an abundant number, since it is smaller than the sum of its proper divisors (6689262494).

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

6500165650 is a wasteful number, since it uses less digits than its factorization.

6500165650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11818506 (or 11818501 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 6500165650 is about 80623.6047941296. The cubic root of 6500165650 is about 1866.2714318758.

The spelling of 6500165650 in words is "six billion, five hundred million, one hundred sixty-five thousand, six hundred fifty".