165050493 has 8 divisors (see below), whose sum is σ = 220166208. Its totient is φ = 109984224.

The previous prime is 165050471. The next prime is 165050497. The reversal of 165050493 is 394050561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 165050493 - 2²⁰ = 164001917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165050497) by changing a digit.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3705 + ... + 18542.

It is an arithmetic number, because the mean of its divisors is an integer number (27520776).

Almost surely, 2^165050493 is an apocalyptic number.

It is an amenable number.

165050493 is a deficient number, since it is larger than the sum of its proper divisors (55115715).

165050493 is a wasteful number, since it uses less digits than its factorization.

165050493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24723.

The product of its (nonzero) digits is 16200, while the sum is 33.

The square root of 165050493 is about 12847.1978656826. The cubic root of 165050493 is about 548.5365978881.

The spelling of 165050493 in words is "one hundred sixty-five million, fifty thousand, four hundred ninety-three".