160173121 has 2 divisors, whose sum is σ = 160173122. Its totient is φ = 160173120.

The previous prime is 160173103. The next prime is 160173149. The reversal of 160173121 is 121371061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122412096 + 37761025 = 11064^2 + 6145^2 .

It is a cyclic number.

It is not a de Polignac number, because 160173121 - 2¹⁷ = 160042049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 160173092 and 160173101.

It is not a weakly prime, because it can be changed into another prime (160173191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80086560 + 80086561.

It is an arithmetic number, because the mean of its divisors is an integer number (80086561).

Almost surely, 2^160173121 is an apocalyptic number.

It is an amenable number.

160173121 is a deficient number, since it is larger than the sum of its proper divisors (1).

160173121 is an equidigital number, since it uses as much as digits as its factorization.

160173121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 160173121 is about 12655.9519989608. The cubic root of 160173121 is about 543.0792538638.

The spelling of 160173121 in words is "one hundred sixty million, one hundred seventy-three thousand, one hundred twenty-one".