164595380 has 24 divisors (see below), whose sum is σ = 346655400. Its totient is φ = 65646720.

The previous prime is 164595331. The next prime is 164595401. The reversal of 164595380 is 83595461.

164595380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16875664 + 147719716 = 4108^2 + 12154^2 .

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, 4811 + ... + 18770.

It is an arithmetic number, because the mean of its divisors is an integer number (14443975).

Almost surely, 2^164595380 is an apocalyptic number.

164595380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164595380 is an abundant number, since it is smaller than the sum of its proper divisors (182060020).

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

164595380 is a wasteful number, since it uses less digits than its factorization.

164595380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23939 (or 23937 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The square root of 164595380 is about 12829.4730990793. The cubic root of 164595380 is about 548.0319524232.

The spelling of 164595380 in words is "one hundred sixty-four million, five hundred ninety-five thousand, three hundred eighty".