6600161570500 has 72 divisors (see below), whose sum is σ = 14774909195592. Its totient is φ = 2575672480000.

The previous prime is 6600161570479. The next prime is 6600161570507. The reversal of 6600161570500 is 50751610066.

It can be written as a sum of positive squares in 12 ways, for example, as 5929741231236 + 670420339264 = 2435106^2 + 818792^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6600161570500.

It is not an unprimeable number, because it can be changed into a prime (6600161570507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3085831 + ... + 4766830.

It is an arithmetic number, because the mean of its divisors is an integer number (205207072161).

Almost surely, 2^{6600161570500} is an apocalyptic number.

It is an amenable number.

6600161570500 is an abundant number, since it is smaller than the sum of its proper divisors (8174747625092).

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

6600161570500 is a wasteful number, since it uses less digits than its factorization.

6600161570500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7852762 (or 7852709 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 37.

The spelling of 6600161570500 in words is "six trillion, six hundred billion, one hundred sixty-one million, five hundred seventy thousand, five hundred".