164504266 has 4 divisors (see below), whose sum is σ = 246756402. Its totient is φ = 82252132.

The previous prime is 164504239. The next prime is 164504267. The reversal of 164504266 is 662405461.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 153140625 + 11363641 = 12375^2 + 3371^2 .

It is not an unprimeable number, because it can be changed into a prime (164504267) 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 as a sum of consecutive naturals, namely, 41126065 + ... + 41126068.

Almost surely, 2^164504266 is an apocalyptic number.

164504266 is a deficient number, since it is larger than the sum of its proper divisors (82252136).

164504266 is an equidigital number, since it uses as much as digits as its factorization.

164504266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82252135.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 164504266 is about 12825.9216432972. The cubic root of 164504266 is about 547.9308102569.

The spelling of 164504266 in words is "one hundred sixty-four million, five hundred four thousand, two hundred sixty-six".