164458433 has 4 divisors (see below), whose sum is σ = 173114160. Its totient is φ = 155802708.

The previous prime is 164458397. The next prime is 164458453. The reversal of 164458433 is 334854461.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 164458433 - 2¹⁶ = 164392897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164458453) 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, 4327835 + ... + 4327872.

It is an arithmetic number, because the mean of its divisors is an integer number (43278540).

Almost surely, 2^164458433 is an apocalyptic number.

It is an amenable number.

164458433 is a deficient number, since it is larger than the sum of its proper divisors (8655727).

164458433 is an equidigital number, since it uses as much as digits as its factorization.

164458433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8655726.

The product of its digits is 138240, while the sum is 38.

The square root of 164458433 is about 12824.1347856298. The cubic root of 164458433 is about 547.8799186780.

The spelling of 164458433 in words is "one hundred sixty-four million, four hundred fifty-eight thousand, four hundred thirty-three".