164625266 has 12 divisors (see below), whose sum is σ = 267394842. Its totient is φ = 75980736.

The previous prime is 164625239. The next prime is 164625269. The reversal of 164625266 is 662526461.

164625266 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 80371225 + 84254041 = 8965^2 + 9179^2 .

It is not an unprimeable number, because it can be changed into a prime (164625269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243191 + ... + 243866.

Almost surely, 2^164625266 is an apocalyptic number.

164625266 is a deficient number, since it is larger than the sum of its proper divisors (102769576).

164625266 is a wasteful number, since it uses less digits than its factorization.

164625266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487085 (or 487072 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 164625266 is about 12830.6377861742. The cubic root of 164625266 is about 548.0651195991.

The spelling of 164625266 in words is "one hundred sixty-four million, six hundred twenty-five thousand, two hundred sixty-six".