164797 has 4 divisors (see below), whose sum is σ = 165760. Its totient is φ = 163836.

The previous prime is 164789. The next prime is 164809. The reversal of 164797 is 797461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 164797 - 2³ = 164789 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164707) 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, 147 + ... + 592.

It is an arithmetic number, because the mean of its divisors is an integer number (41440).

2¹⁶⁴⁷⁹⁷ is an apocalyptic number.

It is an amenable number.

164797 is a deficient number, since it is larger than the sum of its proper divisors (963).

164797 is an equidigital number, since it uses as much as digits as its factorization.

164797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962.

The product of its digits is 10584, while the sum is 34.

The square root of 164797 is about 405.9519676021. The cubic root of 164797 is about 54.8255630464.

It can be divided in two parts, 164 and 797, that added together give a square (961 = 31²).

The spelling of 164797 in words is "one hundred sixty-four thousand, seven hundred ninety-seven".