164975 has 6 divisors (see below), whose sum is σ = 204600. Its totient is φ = 131960.

The previous prime is 164963. The next prime is 164987. The reversal of 164975 is 579461.

It is a happy number.

164975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (164963) and next prime (164987).

It is not a de Polignac number, because 164975 - 2⁶ = 164911 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3275 + ... + 3324.

It is an arithmetic number, because the mean of its divisors is an integer number (34100).

2¹⁶⁴⁹⁷⁵ is an apocalyptic number.

164975 is a deficient number, since it is larger than the sum of its proper divisors (39625).

164975 is an equidigital number, since it uses as much as digits as its factorization.

164975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6609 (or 6604 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 164975 is about 406.1711461933. The cubic root of 164975 is about 54.8452952801.

The spelling of 164975 in words is "one hundred sixty-four thousand, nine hundred seventy-five".