164351171 has 4 divisors (see below), whose sum is σ = 164396232. Its totient is φ = 164306112.

The previous prime is 164351153. The next prime is 164351183. The reversal of 164351171 is 171153461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 171153461 = 47 ⋅3641563.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164351171 is a prime.

It is a super-2 number, since 2×164351171² = 54022614818142482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164351101) 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, 16526 + ... + 24531.

It is an arithmetic number, because the mean of its divisors is an integer number (41099058).

Almost surely, 2^164351171 is an apocalyptic number.

164351171 is a deficient number, since it is larger than the sum of its proper divisors (45061).

164351171 is an equidigital number, since it uses as much as digits as its factorization.

164351171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45060.

The product of its digits is 2520, while the sum is 29.

The square root of 164351171 is about 12819.9520669931. The cubic root of 164351171 is about 547.7607812248.

The spelling of 164351171 in words is "one hundred sixty-four million, three hundred fifty-one thousand, one hundred seventy-one".