8173164502945 has 32 divisors (see below), whose sum is σ = 10680989501952. Its totient is φ = 5968088646912.

The previous prime is 8173164502939. The next prime is 8173164502961. The reversal of 8173164502945 is 5492054613718.

It is a cyclic number.

It is not a de Polignac number, because 8173164502945 - 2²³ = 8173156114337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129304 + ... + 4045126.

It is an arithmetic number, because the mean of its divisors is an integer number (333780921936).

It is a 1-persistent number, because it is pandigital, but 2⋅8173164502945 = 16346329005890 is not.

Almost surely, 2^{8173164502945} is an apocalyptic number.

It is an amenable number.

8173164502945 is a deficient number, since it is larger than the sum of its proper divisors (2507824999007).

8173164502945 is a wasteful number, since it uses less digits than its factorization.

8173164502945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916201.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 8173164502945 in words is "eight trillion, one hundred seventy-three billion, one hundred sixty-four million, five hundred two thousand, nine hundred forty-five".