165102563 has 2 divisors, whose sum is σ = 165102564. Its totient is φ = 165102562.

The previous prime is 165102557. The next prime is 165102583. The reversal of 165102563 is 365201561.

It is a weak prime.

It is an emirp because it is prime and its reverse (365201561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 165102563 - 2¹⁴ = 165086179 is a prime.

It is not a weakly prime, because it can be changed into another prime (165102503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82551281 + 82551282.

It is an arithmetic number, because the mean of its divisors is an integer number (82551282).

Almost surely, 2^165102563 is an apocalyptic number.

165102563 is a deficient number, since it is larger than the sum of its proper divisors (1).

165102563 is an equidigital number, since it uses as much as digits as its factorization.

165102563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 165102563 is about 12849.2242178273. The cubic root of 165102563 is about 548.5942757883.

The spelling of 165102563 in words is "one hundred sixty-five million, one hundred two thousand, five hundred sixty-three".