164064424 has 8 divisors (see below), whose sum is σ = 307620810. Its totient is φ = 82032208.

The previous prime is 164064413. The next prime is 164064437. The reversal of 164064424 is 424460461.

164064424 is digitally balanced in base 2, 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 only one way, i.e., 110628324 + 53436100 = 10518^2 + 7310^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10254019 + ... + 10254034.

Almost surely, 2^164064424 is an apocalyptic number.

It is an amenable number.

164064424 is a deficient number, since it is larger than the sum of its proper divisors (143556386).

164064424 is a wasteful number, since it uses less digits than its factorization.

164064424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20508059 (or 20508055 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 164064424 is about 12808.7635624989. The cubic root of 164064424 is about 547.4420324636.

The spelling of 164064424 in words is "one hundred sixty-four million, sixty-four thousand, four hundred twenty-four".