164569552 has 40 divisors (see below), whose sum is σ = 366065856. Its totient is φ = 70208256.

The previous prime is 164569543. The next prime is 164569567. The reversal of 164569552 is 255965461.

It is a junction number, because it is equal to n+sod(n) for n = 164569499 and 164569508.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 22188 + ... + 28660.

Almost surely, 2^164569552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164569552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183032928).

164569552 is an abundant number, since it is smaller than the sum of its proper divisors (201496304).

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

164569552 is a wasteful number, since it uses less digits than its factorization.

164569552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6715 (or 6709 counting only the distinct ones).

The product of its digits is 324000, while the sum is 43.

The square root of 164569552 is about 12828.4664710947. The cubic root of 164569552 is about 548.0032855398.

The spelling of 164569552 in words is "one hundred sixty-four million, five hundred sixty-nine thousand, five hundred fifty-two".