164133667 has 4 divisors (see below), whose sum is σ = 164456640. Its totient is φ = 163810696.

The previous prime is 164133659. The next prime is 164133679. The reversal of 164133667 is 766331461.

It is a happy number.

164133667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 164133667 - 2³ = 164133659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164133637) 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, 160723 + ... + 161740.

It is an arithmetic number, because the mean of its divisors is an integer number (41114160).

Almost surely, 2^164133667 is an apocalyptic number.

164133667 is a deficient number, since it is larger than the sum of its proper divisors (322973).

164133667 is an equidigital number, since it uses as much as digits as its factorization.

164133667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322972.

The product of its digits is 54432, while the sum is 37.

The square root of 164133667 is about 12811.4662314662. The cubic root of 164133667 is about 547.5190371674.

The spelling of 164133667 in words is "one hundred sixty-four million, one hundred thirty-three thousand, six hundred sixty-seven".