164305140 has 48 divisors (see below), whose sum is σ = 465611328. Its totient is φ = 43285504.

The previous prime is 164305129. The next prime is 164305171. The reversal of 164305140 is 41503461.

164305140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 164305140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11517 + ... + 21476.

It is an arithmetic number, because the mean of its divisors is an integer number (9700236).

Almost surely, 2^164305140 is an apocalyptic number.

164305140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164305140 is an abundant number, since it is smaller than the sum of its proper divisors (301306188).

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

164305140 is a wasteful number, since it uses less digits than its factorization.

164305140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33088 (or 33086 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 164305140 is about 12818.1566537471. The cubic root of 164305140 is about 547.7096380320.

The spelling of 164305140 in words is "one hundred sixty-four million, three hundred five thousand, one hundred forty".