173165633 has 2 divisors, whose sum is σ = 173165634. Its totient is φ = 173165632.

The previous prime is 173165617. The next prime is 173165669. The reversal of 173165633 is 336561371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 164685889 + 8479744 = 12833^2 + 2912^2 .

It is a cyclic number.

It is not a de Polignac number, because 173165633 - 2⁴ = 173165617 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 173165593 and 173165602.

It is not a weakly prime, because it can be changed into another prime (173165683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86582816 + 86582817.

It is an arithmetic number, because the mean of its divisors is an integer number (86582817).

Almost surely, 2^173165633 is an apocalyptic number.

It is an amenable number.

173165633 is a deficient number, since it is larger than the sum of its proper divisors (1).

173165633 is an equidigital number, since it uses as much as digits as its factorization.

173165633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34020, while the sum is 35.

The square root of 173165633 is about 13159.2413535127. The cubic root of 173165633 is about 557.3832346770.

The spelling of 173165633 in words is "one hundred seventy-three million, one hundred sixty-five thousand, six hundred thirty-three".