164663133 has 4 divisors (see below), whose sum is σ = 219550848. Its totient is φ = 109775420.

The previous prime is 164663111. The next prime is 164663167. The reversal of 164663133 is 331366461.

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 164663133 - 2⁶ = 164663069 is a prime.

It is a super-2 number, since 2×164663133² = 54227894738751378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164663094 and 164663103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164663183) 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, 27443853 + ... + 27443858.

It is an arithmetic number, because the mean of its divisors is an integer number (54887712).

Almost surely, 2^164663133 is an apocalyptic number.

It is an amenable number.

164663133 is a deficient number, since it is larger than the sum of its proper divisors (54887715).

164663133 is an equidigital number, since it uses as much as digits as its factorization.

164663133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54887714.

The product of its digits is 23328, while the sum is 33.

The square root of 164663133 is about 12832.1133489383. The cubic root of 164663133 is about 548.1071382421.

Adding to 164663133 its product of digits (23328), we get a palindrome (164686461).

The spelling of 164663133 in words is "one hundred sixty-four million, six hundred sixty-three thousand, one hundred thirty-three".