8163597554401 has 9 divisors (see below), whose sum is σ = 8615931722001. Its totient is φ = 7733883095604.

The previous prime is 8163597554381. The next prime is 8163597554407. The reversal of 8163597554401 is 1044557953618.

The square root of 8163597554401 is 2857201.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 8163597554401 - 2¹¹ = 8163597552353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8163597554407) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 54211630 + ... + 54362008.

It is an arithmetic number, because the mean of its divisors is an integer number (957325746889).

Almost surely, 2^{8163597554401} is an apocalyptic number.

8163597554401 is the 2857201-st square number.

8163597554401 is the 1428601-st centered octagonal number.

It is an amenable number.

8163597554401 is a deficient number, since it is larger than the sum of its proper divisors (452334167600).

8163597554401 is an frugal number, since it uses more digits than its factorization.

8163597554401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300796 (or 150398 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 58.

The spelling of 8163597554401 in words is "eight trillion, one hundred sixty-three billion, five hundred ninety-seven million, five hundred fifty-four thousand, four hundred one".