164281567 has 4 divisors (see below), whose sum is σ = 164324160. Its totient is φ = 164238976.

The previous prime is 164281561. The next prime is 164281597. The reversal of 164281567 is 765182461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164281567 - 2²³ = 155892959 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164281561) 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, 14863 + ... + 23440.

It is an arithmetic number, because the mean of its divisors is an integer number (41081040).

Almost surely, 2^164281567 is an apocalyptic number.

164281567 is a deficient number, since it is larger than the sum of its proper divisors (42593).

164281567 is an equidigital number, since it uses as much as digits as its factorization.

164281567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42592.

The product of its digits is 80640, while the sum is 40.

The square root of 164281567 is about 12817.2371047742. The cubic root of 164281567 is about 547.6834433214.

The spelling of 164281567 in words is "one hundred sixty-four million, two hundred eighty-one thousand, five hundred sixty-seven".