164761171 has 4 divisors (see below), whose sum is σ = 165089232. Its totient is φ = 164433112.

The previous prime is 164761159. The next prime is 164761211. The reversal of 164761171 is 171167461.

It is a happy number.

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 164761171 - 2⁷ = 164761043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164761771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 163276 + ... + 164281.

It is an arithmetic number, because the mean of its divisors is an integer number (41272308).

Almost surely, 2^164761171 is an apocalyptic number.

164761171 is a deficient number, since it is larger than the sum of its proper divisors (328061).

164761171 is an equidigital number, since it uses as much as digits as its factorization.

164761171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328060.

The product of its digits is 7056, while the sum is 34.

The square root of 164761171 is about 12835.9328059943. The cubic root of 164761171 is about 548.2158949621.

The spelling of 164761171 in words is "one hundred sixty-four million, seven hundred sixty-one thousand, one hundred seventy-one".