164329580 has 24 divisors (see below), whose sum is σ = 354420528. Its totient is φ = 63955008.

The previous prime is 164329577. The next prime is 164329603. The reversal of 164329580 is 85923461.

It is a happy number.

164329580 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 110294 + ... + 111773.

It is an arithmetic number, because the mean of its divisors is an integer number (14767522).

Almost surely, 2^164329580 is an apocalyptic number.

164329580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164329580 is an abundant number, since it is smaller than the sum of its proper divisors (190090948).

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

164329580 is a wasteful number, since it uses less digits than its factorization.

164329580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222113 (or 222111 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 164329580 is about 12819.1099535030. The cubic root of 164329580 is about 547.7367935223.

The spelling of 164329580 in words is "one hundred sixty-four million, three hundred twenty-nine thousand, five hundred eighty".