164606320 has 40 divisors (see below), whose sum is σ = 395912160. Its totient is φ = 63571200.

The previous prime is 164606317. The next prime is 164606333. The reversal of 164606320 is 23606461.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33156 + ... + 37795.

It is an arithmetic number, because the mean of its divisors is an integer number (9897804).

Almost surely, 2^164606320 is an apocalyptic number.

164606320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164606320 is an abundant number, since it is smaller than the sum of its proper divisors (231305840).

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

164606320 is a wasteful number, since it uses less digits than its factorization.

164606320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70993 (or 70987 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 164606320 is about 12829.8994540098. The cubic root of 164606320 is about 548.0440939887.

The spelling of 164606320 in words is "one hundred sixty-four million, six hundred six thousand, three hundred twenty".