164384540 has 12 divisors (see below), whose sum is σ = 345207576. Its totient is φ = 65753808.

The previous prime is 164384533. The next prime is 164384551. The reversal of 164384540 is 45483461.

164384540 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 164384540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4109594 + ... + 4109633.

It is an arithmetic number, because the mean of its divisors is an integer number (28767298).

Almost surely, 2^164384540 is an apocalyptic number.

164384540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164384540 is an abundant number, since it is smaller than the sum of its proper divisors (180823036).

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

164384540 is a wasteful number, since it uses less digits than its factorization.

164384540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8219236 (or 8219234 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 164384540 is about 12821.2534488637. The cubic root of 164384540 is about 547.7978502084.

The spelling of 164384540 in words is "one hundred sixty-four million, three hundred eighty-four thousand, five hundred forty".