165850463 has 2 divisors, whose sum is σ = 165850464. Its totient is φ = 165850462.

The previous prime is 165850427. The next prime is 165850469. The reversal of 165850463 is 364058561.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 165850463 - 2²⁰ = 164801887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (165850469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82925231 + 82925232.

It is an arithmetic number, because the mean of its divisors is an integer number (82925232).

Almost surely, 2^165850463 is an apocalyptic number.

165850463 is a deficient number, since it is larger than the sum of its proper divisors (1).

165850463 is an equidigital number, since it uses as much as digits as its factorization.

165850463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 165850463 is about 12878.2942581694. The cubic root of 165850463 is about 549.4213892999.

The spelling of 165850463 in words is "one hundred sixty-five million, eight hundred fifty thousand, four hundred sixty-three".