6506480172 has 24 divisors (see below), whose sum is σ = 15292606896. Its totient is φ = 2152995328.

The previous prime is 6506480171. The next prime is 6506480177. The reversal of 6506480172 is 2710846056.

It is a self number, because there is not a number n which added to its sum of digits gives 6506480172.

It is not an unprimeable number, because it can be changed into a prime (6506480171) 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, 1977213 + ... + 1980500.

It is an arithmetic number, because the mean of its divisors is an integer number (637191954).

Almost surely, 2^6506480172 is an apocalyptic number.

It is an amenable number.

6506480172 is an abundant number, since it is smaller than the sum of its proper divisors (8786126724).

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

6506480172 is a wasteful number, since it uses less digits than its factorization.

6506480172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3957857 (or 3957855 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 6506480172 is about 80662.7557922490. The cubic root of 6506480172 is about 1866.8755599700.

The spelling of 6506480172 in words is "six billion, five hundred six million, four hundred eighty thousand, one hundred seventy-two".