164327133 has 4 divisors (see below), whose sum is σ = 219102848. Its totient is φ = 109551420.

The previous prime is 164327099. The next prime is 164327171. The reversal of 164327133 is 331723461.

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 164327133 - 2¹⁷ = 164196061 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 164327133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164327173) 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, 27387853 + ... + 27387858.

It is an arithmetic number, because the mean of its divisors is an integer number (54775712).

Almost surely, 2^164327133 is an apocalyptic number.

It is an amenable number.

164327133 is a deficient number, since it is larger than the sum of its proper divisors (54775715).

164327133 is an equidigital number, since it uses as much as digits as its factorization.

164327133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54775714.

The product of its digits is 9072, while the sum is 30.

The square root of 164327133 is about 12819.0145097039. The cubic root of 164327133 is about 547.7340747613.

The spelling of 164327133 in words is "one hundred sixty-four million, three hundred twenty-seven thousand, one hundred thirty-three".