165883363 has 4 divisors (see below), whose sum is σ = 165913488. Its totient is φ = 165853240.

The previous prime is 165883343. The next prime is 165883381. The reversal of 165883363 is 363388561.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 363388561 = 2459 ⋅147779.

It is a cyclic number.

It is not a de Polignac number, because 165883363 - 2¹⁷ = 165752291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165883313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4183 + ... + 18688.

It is an arithmetic number, because the mean of its divisors is an integer number (41478372).

Almost surely, 2^165883363 is an apocalyptic number.

165883363 is a deficient number, since it is larger than the sum of its proper divisors (30125).

165883363 is an equidigital number, since it uses as much as digits as its factorization.

165883363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30124.

The product of its digits is 311040, while the sum is 43.

The square root of 165883363 is about 12879.5715379045. The cubic root of 165883363 is about 549.4577167406.

The spelling of 165883363 in words is "one hundred sixty-five million, eight hundred eighty-three thousand, three hundred sixty-three".