164351441 has 4 divisors (see below), whose sum is σ = 164408832. Its totient is φ = 164294052.

The previous prime is 164351423. The next prime is 164351479. The reversal of 164351441 is 144153461.

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.

It is a cyclic number.

It is not a de Polignac number, because 164351441 - 2⁶ = 164351377 is a prime.

It is a super-2 number, since 2×164351441² = 54022792317552962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164351741) 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, 24161 + ... + 30206.

It is an arithmetic number, because the mean of its divisors is an integer number (41102208).

Almost surely, 2^164351441 is an apocalyptic number.

It is an amenable number.

164351441 is a deficient number, since it is larger than the sum of its proper divisors (57391).

164351441 is an equidigital number, since it uses as much as digits as its factorization.

164351441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57390.

The product of its digits is 5760, while the sum is 29.

The square root of 164351441 is about 12819.9625974493. The cubic root of 164351441 is about 547.7610811827.

The spelling of 164351441 in words is "one hundred sixty-four million, three hundred fifty-one thousand, four hundred forty-one".