164494208 has 16 divisors (see below), whose sum is σ = 327703560. Its totient is φ = 82247040.

The previous prime is 164494207. The next prime is 164494223. The reversal of 164494208 is 802494461.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164494207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642428 + ... + 642683.

Almost surely, 2^164494208 is an apocalyptic number.

It is an amenable number.

164494208 is a deficient number, since it is larger than the sum of its proper divisors (163209352).

164494208 is an equidigital number, since it uses as much as digits as its factorization.

164494208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285125 (or 1285113 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 164494208 is about 12825.5295407246. The cubic root of 164494208 is about 547.9196429671.

The spelling of 164494208 in words is "one hundred sixty-four million, four hundred ninety-four thousand, two hundred eight".