164245017 has 4 divisors (see below), whose sum is σ = 218993360. Its totient is φ = 109496676.

The previous prime is 164244953. The next prime is 164245027. The reversal of 164245017 is 710542461.

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 not a de Polignac number, because 164245017 - 2⁶ = 164244953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164245027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27374167 + ... + 27374172.

It is an arithmetic number, because the mean of its divisors is an integer number (54748340).

Almost surely, 2^164245017 is an apocalyptic number.

It is an amenable number.

164245017 is a deficient number, since it is larger than the sum of its proper divisors (54748343).

164245017 is an equidigital number, since it uses as much as digits as its factorization.

164245017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54748342.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 164245017 is about 12815.8112111563. The cubic root of 164245017 is about 547.6428233968.

Adding to 164245017 its reverse (710542461), we get a palindrome (874787478).

The spelling of 164245017 in words is "one hundred sixty-four million, two hundred forty-five thousand, seventeen".