164642268 has 48 divisors (see below), whose sum is σ = 439733504. Its totient is φ = 46967040.

The previous prime is 164642237. The next prime is 164642281. The reversal of 164642268 is 862246461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75108 + ... + 77268.

Almost surely, 2^164642268 is an apocalyptic number.

It is an amenable number.

164642268 is an abundant number, since it is smaller than the sum of its proper divisors (275091236).

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

164642268 is a wasteful number, since it uses less digits than its factorization.

164642268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082 (or 3080 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 164642268 is about 12831.3003238175. The cubic root of 164642268 is about 548.0839864527.

The spelling of 164642268 in words is "one hundred sixty-four million, six hundred forty-two thousand, two hundred sixty-eight".