165760873 has 2 divisors, whose sum is σ = 165760874. Its totient is φ = 165760872.

The previous prime is 165760867. The next prime is 165760879. The reversal of 165760873 is 378067561.

It is a balanced prime because it is at equal distance from previous prime (165760867) and next prime (165760879).

It can be written as a sum of positive squares in only one way, i.e., 134490409 + 31270464 = 11597^2 + 5592^2 .

It is an emirp because it is prime and its reverse (378067561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165760873 - 2⁵ = 165760841 is a prime.

It is not a weakly prime, because it can be changed into another prime (165760879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82880436 + 82880437.

It is an arithmetic number, because the mean of its divisors is an integer number (82880437).

Almost surely, 2^165760873 is an apocalyptic number.

It is an amenable number.

165760873 is a deficient number, since it is larger than the sum of its proper divisors (1).

165760873 is an equidigital number, since it uses as much as digits as its factorization.

165760873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 165760873 is about 12874.8154549881. The cubic root of 165760873 is about 549.3224416753.

The spelling of 165760873 in words is "one hundred sixty-five million, seven hundred sixty thousand, eight hundred seventy-three".