8173121303641 has 64 divisors (see below), whose sum is σ = 10196150272000. Its totient is φ = 6393265148160.

The previous prime is 8173121303561. The next prime is 8173121303687. The reversal of 8173121303641 is 1463031213718.

It is a cyclic number.

It is not a de Polignac number, because 8173121303641 - 2³¹ = 8170973819993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8173121303594 and 8173121303603.

It is not an unprimeable number, because it can be changed into a prime (8173121313641) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1049311975 + ... + 1049319763.

It is an arithmetic number, because the mean of its divisors is an integer number (159314848000).

Almost surely, 2^{8173121303641} is an apocalyptic number.

It is an amenable number.

8173121303641 is a deficient number, since it is larger than the sum of its proper divisors (2023028968359).

8173121303641 is a wasteful number, since it uses less digits than its factorization.

8173121303641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8982.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 8173121303641 in words is "eight trillion, one hundred seventy-three billion, one hundred twenty-one million, three hundred three thousand, six hundred forty-one".