164025617 has 8 divisors (see below), whose sum is σ = 187540416. Its totient is φ = 140531472.

The previous prime is 164025583. The next prime is 164025637. The reversal of 164025617 is 716520461.

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

It is a cyclic number.

It is not a de Polignac number, because 164025617 - 2⁶ = 164025553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164025637) 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 7 ways as a sum of consecutive naturals, for example, 20138 + ... + 27084.

It is an arithmetic number, because the mean of its divisors is an integer number (23442552).

Almost surely, 2^164025617 is an apocalyptic number.

It is an amenable number.

164025617 is a deficient number, since it is larger than the sum of its proper divisors (23514799).

164025617 is an equidigital number, since it uses as much as digits as its factorization.

164025617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10327.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 164025617 is about 12807.2486116262. The cubic root of 164025617 is about 547.3988659690.

The spelling of 164025617 in words is "one hundred sixty-four million, twenty-five thousand, six hundred seventeen".