33164457 has 4 divisors (see below), whose sum is σ = 44219280. Its totient is φ = 22109636.

The previous prime is 33164447. The next prime is 33164479. The reversal of 33164457 is 75446133.

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 33164457 - 2⁴ = 33164441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33164407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5527407 + ... + 5527412.

It is an arithmetic number, because the mean of its divisors is an integer number (11054820).

Almost surely, 2^33164457 is an apocalyptic number.

It is an amenable number.

33164457 is a deficient number, since it is larger than the sum of its proper divisors (11054823).

33164457 is a wasteful number, since it uses less digits than its factorization.

33164457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11054822.

The product of its digits is 30240, while the sum is 33.

The square root of 33164457 is about 5758.8590015731. The cubic root of 33164457 is about 321.2853800860.

The spelling of 33164457 in words is "thirty-three million, one hundred sixty-four thousand, four hundred fifty-seven".