163051 has 4 divisors (see below), whose sum is σ = 186352. Its totient is φ = 139752.

The previous prime is 163027. The next prime is 163061. The reversal of 163051 is 150361.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150361 = 53 ⋅2837.

It is a cyclic number.

It is not a de Polignac number, because 163051 - 2⁵ = 163019 is a prime.

It is a Duffinian number.

163051 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (163021) 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, 11640 + ... + 11653.

It is an arithmetic number, because the mean of its divisors is an integer number (46588).

2¹⁶³⁰⁵¹ is an apocalyptic number.

163051 is a deficient number, since it is larger than the sum of its proper divisors (23301).

163051 is an equidigital number, since it uses as much as digits as its factorization.

163051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23300.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 163051 is about 403.7957404431. The cubic root of 163051 is about 54.6312522626.

It can be divided in two parts, 1630 and 51, that added together give a square (1681 = 41²).

The spelling of 163051 in words is "one hundred sixty-three thousand, fifty-one".