7266221276168 has 16 divisors (see below), whose sum is σ = 13631541295680. Its totient is φ = 3631143597328.

The previous prime is 7266221276147. The next prime is 7266221276177. The reversal of 7266221276168 is 8616721226627.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245864396 + ... + 245893947.

It is an arithmetic number, because the mean of its divisors is an integer number (851971330980).

Almost surely, 2^{7266221276168} is an apocalyptic number.

It is an amenable number.

7266221276168 is a deficient number, since it is larger than the sum of its proper divisors (6365320019512).

7266221276168 is a wasteful number, since it uses less digits than its factorization.

7266221276168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491760196 (or 491760192 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 56.

The spelling of 7266221276168 in words is "seven trillion, two hundred sixty-six billion, two hundred twenty-one million, two hundred seventy-six thousand, one hundred sixty-eight".