164444527 has 8 divisors (see below), whose sum is σ = 177203376. Its totient is φ = 151701312.

The previous prime is 164444509. The next prime is 164444537. The reversal of 164444527 is 725444461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164444527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164444507) 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 7 ways as a sum of consecutive naturals, for example, 27108 + ... + 32614.

It is an arithmetic number, because the mean of its divisors is an integer number (22150422).

Almost surely, 2^164444527 is an apocalyptic number.

164444527 is a deficient number, since it is larger than the sum of its proper divisors (12758849).

164444527 is a wasteful number, since it uses less digits than its factorization.

164444527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7817.

The product of its digits is 107520, while the sum is 37.

The square root of 164444527 is about 12823.5925933414. The cubic root of 164444527 is about 547.8644760060.

Adding to 164444527 its reverse (725444461), we get a palindrome (889888988).

The spelling of 164444527 in words is "one hundred sixty-four million, four hundred forty-four thousand, five hundred twenty-seven".