6506164225 has 12 divisors (see below), whose sum is σ = 8801066160. Its totient is φ = 4731755600.

The previous prime is 6506164213. The next prime is 6506164237. The reversal of 6506164225 is 5224616056.

It is an interprime number because it is at equal distance from previous prime (6506164213) and next prime (6506164237).

It is not a de Polignac number, because 6506164225 - 2⁷ = 6506164097 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11829115 + ... + 11829664.

It is an arithmetic number, because the mean of its divisors is an integer number (733422180).

Almost surely, 2^6506164225 is an apocalyptic number.

It is an amenable number.

6506164225 is a deficient number, since it is larger than the sum of its proper divisors (2294901935).

6506164225 is a wasteful number, since it uses less digits than its factorization.

6506164225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23658800 (or 23658795 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The square root of 6506164225 is about 80660.7973243508. The cubic root of 6506164225 is about 1866.8453417227.

It can be divided in two parts, 65061 and 64225, that added together give a triangular number (129286 = T₅₀₈).

The spelling of 6506164225 in words is "six billion, five hundred six million, one hundred sixty-four thousand, two hundred twenty-five".