164505433 has 2 divisors, whose sum is σ = 164505434. Its totient is φ = 164505432.

The previous prime is 164505421. The next prime is 164505457. The reversal of 164505433 is 334505461.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 159062544 + 5442889 = 12612^2 + 2333^2 .

It is a cyclic number.

It is not a de Polignac number, because 164505433 - 2¹⁷ = 164374361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164505395 and 164505404.

It is not a weakly prime, because it can be changed into another prime (164505403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82252716 + 82252717.

It is an arithmetic number, because the mean of its divisors is an integer number (82252717).

Almost surely, 2^164505433 is an apocalyptic number.

It is an amenable number.

164505433 is a deficient number, since it is larger than the sum of its proper divisors (1).

164505433 is an equidigital number, since it uses as much as digits as its factorization.

164505433 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 164505433 is about 12825.9671370232. The cubic root of 164505433 is about 547.9321059350.

The spelling of 164505433 in words is "one hundred sixty-four million, five hundred five thousand, four hundred thirty-three".