164791 has 8 divisors (see below), whose sum is σ = 183168. Its totient is φ = 147000.

The previous prime is 164789. The next prime is 164809. The reversal of 164791 is 197461.

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

It is a cyclic number.

It is not a de Polignac number, because 164791 - 2¹ = 164789 is a prime.

It is a Duffinian number.

164791 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 676 + ... + 886.

It is an arithmetic number, because the mean of its divisors is an integer number (22896).

2¹⁶⁴⁷⁹¹ is an apocalyptic number.

164791 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

164791 is a deficient number, since it is larger than the sum of its proper divisors (18377).

164791 is a wasteful number, since it uses less digits than its factorization.

164791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293.

The product of its digits is 1512, while the sum is 28.

The square root of 164791 is about 405.9445774980. The cubic root of 164791 is about 54.8248976675.

The spelling of 164791 in words is "one hundred sixty-four thousand, seven hundred ninety-one".