7261225168 has 20 divisors (see below), whose sum is σ = 14070022948. Its totient is φ = 3630251520.

The previous prime is 7261225163. The next prime is 7261225171. The reversal of 7261225168 is 8615221627.

It can be written as a sum of positive squares in 2 ways, for example, as 417303184 + 6843921984 = 20428^2 + 82728^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7261225168.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7261225163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226930 + ... + 256942.

Almost surely, 2^7261225168 is an apocalyptic number.

It is an amenable number.

7261225168 is a deficient number, since it is larger than the sum of its proper divisors (6808797780).

7261225168 is a wasteful number, since it uses less digits than its factorization.

7261225168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45142 (or 45136 counting only the distinct ones).

The product of its digits is 80640, while the sum is 40.

The square root of 7261225168 is about 85212.8227909392. The cubic root of 7261225168 is about 1936.4366843299.

The spelling of 7261225168 in words is "seven billion, two hundred sixty-one million, two hundred twenty-five thousand, one hundred sixty-eight".