165501283 has 2 divisors, whose sum is σ = 165501284. Its totient is φ = 165501282.

The previous prime is 165501263. The next prime is 165501319. The reversal of 165501283 is 382105561.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 165501283 - 2⁵ = 165501251 is a prime.

It is not a weakly prime, because it can be changed into another prime (165501223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82750641 + 82750642.

It is an arithmetic number, because the mean of its divisors is an integer number (82750642).

Almost surely, 2^165501283 is an apocalyptic number.

165501283 is a deficient number, since it is larger than the sum of its proper divisors (1).

165501283 is an equidigital number, since it uses as much as digits as its factorization.

165501283 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 165501283 is about 12864.7301953830. The cubic root of 165501283 is about 549.0355361795.

The spelling of 165501283 in words is "one hundred sixty-five million, five hundred one thousand, two hundred eighty-three".