164642267 has 8 divisors (see below), whose sum is σ = 169680336. Its totient is φ = 159635232.

The previous prime is 164642237. The next prime is 164642281. The reversal of 164642267 is 762246461.

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 164642267 - 2¹⁴ = 164625883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164642267.

It is not an unprimeable number, because it can be changed into a prime (164642207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3248 + ... + 18434.

It is an arithmetic number, because the mean of its divisors is an integer number (21210042).

Almost surely, 2^164642267 is an apocalyptic number.

164642267 is a deficient number, since it is larger than the sum of its proper divisors (5038069).

164642267 is a wasteful number, since it uses less digits than its factorization.

164642267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15517.

The product of its digits is 96768, while the sum is 38.

The square root of 164642267 is about 12831.3002848503. The cubic root of 164642267 is about 548.0839853431.

The spelling of 164642267 in words is "one hundred sixty-four million, six hundred forty-two thousand, two hundred sixty-seven".