164589464 has 32 divisors (see below), whose sum is σ = 333167520. Its totient is φ = 75776256.

The previous prime is 164589389. The next prime is 164589497. The reversal of 164589464 is 464985461.

It is a happy number.

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, 45797 + ... + 49259.

It is an arithmetic number, because the mean of its divisors is an integer number (10411485).

Almost surely, 2^164589464 is an apocalyptic number.

It is an amenable number.

164589464 is an abundant number, since it is smaller than the sum of its proper divisors (168578056).

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

164589464 is a wasteful number, since it uses less digits than its factorization.

164589464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939 (or 3935 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 164589464 is about 12829.2425341483. The cubic root of 164589464 is about 548.0253864312.

The spelling of 164589464 in words is "one hundred sixty-four million, five hundred eighty-nine thousand, four hundred sixty-four".