8173151060921 has 8 divisors (see below), whose sum is σ = 10189902621504. Its totient is φ = 6368689138320.

The previous prime is 8173151060891. The next prime is 8173151060927. The reversal of 8173151060921 is 1290601513718.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8173151060921 - 2⁶ = 8173151060857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8173151060927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53072409410 + ... + 53072409563.

It is an arithmetic number, because the mean of its divisors is an integer number (1273737827688).

Almost surely, 2^{8173151060921} is an apocalyptic number.

It is an amenable number.

8173151060921 is a deficient number, since it is larger than the sum of its proper divisors (2016751560583).

8173151060921 is a wasteful number, since it uses less digits than its factorization.

8173151060921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106144818991.

The product of its (nonzero) digits is 90720, while the sum is 44.

The spelling of 8173151060921 in words is "eight trillion, one hundred seventy-three billion, one hundred fifty-one million, sixty thousand, nine hundred twenty-one".