164425033 has 4 divisors (see below), whose sum is σ = 164453328. Its totient is φ = 164396740.

The previous prime is 164425007. The next prime is 164425049. The reversal of 164425033 is 330524461.

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, and also an emirpimes, since its reverse is a distinct semiprime: 330524461 = 263 ⋅1256747.

It is a cyclic number.

It is not a de Polignac number, because 164425033 - 2¹³ = 164416841 is a prime.

It is a super-3 number, since 3×164425033³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164424992 and 164425010.

It is not an unprimeable number, because it can be changed into a prime (164425433) 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, 1891 + ... + 18232.

It is an arithmetic number, because the mean of its divisors is an integer number (41113332).

Almost surely, 2^164425033 is an apocalyptic number.

It is an amenable number.

164425033 is a deficient number, since it is larger than the sum of its proper divisors (28295).

164425033 is an equidigital number, since it uses as much as digits as its factorization.

164425033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28294.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 164425033 is about 12822.8324874031. The cubic root of 164425033 is about 547.8428263707.

Adding to 164425033 its reverse (330524461), we get a palindrome (494949494).

The spelling of 164425033 in words is "one hundred sixty-four million, four hundred twenty-five thousand, thirty-three".