164277241 has 4 divisors (see below), whose sum is σ = 164931984. Its totient is φ = 163622500.

The previous prime is 164277221. The next prime is 164277259. The reversal of 164277241 is 142772461.

It is a happy number.

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 an emirpimes, since its reverse is a distinct semiprime: 142772461 = 13 ⋅10982497.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164277241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164277197 and 164277206.

It is not an unprimeable number, because it can be changed into a prime (164277221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326995 + ... + 327496.

It is an arithmetic number, because the mean of its divisors is an integer number (41232996).

Almost surely, 2^164277241 is an apocalyptic number.

It is an amenable number.

164277241 is a deficient number, since it is larger than the sum of its proper divisors (654743).

164277241 is an equidigital number, since it uses as much as digits as its factorization.

164277241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654742.

The product of its digits is 18816, while the sum is 34.

The square root of 164277241 is about 12817.0683465448. The cubic root of 164277241 is about 547.6786359259.

The spelling of 164277241 in words is "one hundred sixty-four million, two hundred seventy-seven thousand, two hundred forty-one".