164166648 has 32 divisors (see below), whose sum is σ = 410994000. Its totient is φ = 54645248.

The previous prime is 164166581. The next prime is 164166659. The reversal of 164166648 is 846661461.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14128 + ... + 22976.

Almost surely, 2^164166648 is an apocalyptic number.

It is an amenable number.

164166648 is an abundant number, since it is smaller than the sum of its proper divisors (246827352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164166648 is a wasteful number, since it uses less digits than its factorization.

164166648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9631 (or 9627 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 164166648 is about 12812.7533340809. The cubic root of 164166648 is about 547.5557075153. Note that the first 3 decimals are identical.

The spelling of 164166648 in words is "one hundred sixty-four million, one hundred sixty-six thousand, six hundred forty-eight".