164980271 has 2 divisors, whose sum is σ = 164980272. Its totient is φ = 164980270.

The previous prime is 164980259. The next prime is 164980273. The reversal of 164980271 is 172089461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 164980271 - 2²² = 160785967 is a prime.

Together with 164980273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164980273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82490135 + 82490136.

It is an arithmetic number, because the mean of its divisors is an integer number (82490136).

Almost surely, 2^164980271 is an apocalyptic number.

164980271 is a deficient number, since it is larger than the sum of its proper divisors (1).

164980271 is an equidigital number, since it uses as much as digits as its factorization.

164980271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 164980271 is about 12844.4646054244. The cubic root of 164980271 is about 548.4587938167.

The spelling of 164980271 in words is "one hundred sixty-four million, nine hundred eighty thousand, two hundred seventy-one".