164503168 has 16 divisors (see below), whose sum is σ = 327721410. Its totient is φ = 82251520.

The previous prime is 164503123. The next prime is 164503189. The reversal of 164503168 is 861305461.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 95413824 + 69089344 = 9768^2 + 8312^2 .

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

It is a super-2 number, since 2×164503168² = 54122584564072448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 642463 + ... + 642718.

Almost surely, 2^164503168 is an apocalyptic number.

It is an amenable number.

164503168 is a deficient number, since it is larger than the sum of its proper divisors (163218242).

164503168 is an equidigital number, since it uses as much as digits as its factorization.

164503168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285195 (or 1285183 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 164503168 is about 12825.8788392843. The cubic root of 164503168 is about 547.9295911814.

The spelling of 164503168 in words is "one hundred sixty-four million, five hundred three thousand, one hundred sixty-eight".