164347424 has 24 divisors (see below), whose sum is σ = 324744588. Its totient is φ = 81872640.

The previous prime is 164347423. The next prime is 164347441. The reversal of 164347424 is 424743461.

164347424 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 158256400 + 6091024 = 12580^2 + 2468^2 .

It is not an unprimeable number, because it can be changed into a prime (164347423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407 + ... + 18134.

Almost surely, 2^164347424 is an apocalyptic number.

It is an amenable number.

164347424 is a deficient number, since it is larger than the sum of its proper divisors (160397164).

164347424 is a wasteful number, since it uses less digits than its factorization.

164347424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18828 (or 18820 counting only the distinct ones).

The product of its digits is 64512, while the sum is 35.

The square root of 164347424 is about 12819.8059267682. The cubic root of 164347424 is about 547.7566184408.

The spelling of 164347424 in words is "one hundred sixty-four million, three hundred forty-seven thousand, four hundred twenty-four".