162851 has 4 divisors (see below), whose sum is σ = 175392. Its totient is φ = 150312.

The previous prime is 162847. The next prime is 162853. The reversal of 162851 is 158261.

162851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 162851 - 2² = 162847 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (162853) 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, 6251 + ... + 6276.

It is an arithmetic number, because the mean of its divisors is an integer number (43848).

2¹⁶²⁸⁵¹ is an apocalyptic number.

162851 is a deficient number, since it is larger than the sum of its proper divisors (12541).

162851 is a wasteful number, since it uses less digits than its factorization.

162851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12540.

The product of its digits is 480, while the sum is 23.

The square root of 162851 is about 403.5480144915. The cubic root of 162851 is about 54.6089060418.

It can be divided in two parts, 1628 and 51, that multiplied together give a triangular number (83028 = T₄₀₇).

The spelling of 162851 in words is "one hundred sixty-two thousand, eight hundred fifty-one".