7446121168 has 10 divisors (see below), whose sum is σ = 14426859794. Its totient is φ = 3723060576.

The previous prime is 7446121157. The next prime is 7446121183. The reversal of 7446121168 is 8611216447.

It can be written as a sum of positive squares in only one way, i.e., 7435957824 + 10163344 = 86232^2 + 3188^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 7446121168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232691271 + ... + 232691302.

Almost surely, 2^7446121168 is an apocalyptic number.

It is an amenable number.

7446121168 is a deficient number, since it is larger than the sum of its proper divisors (6980738626).

7446121168 is a wasteful number, since it uses less digits than its factorization.

7446121168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465382581 (or 465382575 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 7446121168 is about 86290.9101122476. The cubic root of 7446121168 is about 1952.7352513851.

The spelling of 7446121168 in words is "seven billion, four hundred forty-six million, one hundred twenty-one thousand, one hundred sixty-eight".