164364424 has 24 divisors (see below), whose sum is σ = 358499790. Its totient is φ = 70441728.

The previous prime is 164364407. The next prime is 164364443. The reversal of 164364424 is 424463461.

It can be written as a sum of positive squares in only one way, i.e., 164096100 + 268324 = 12810^2 + 518^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 164364424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 209257 + ... + 210040.

Almost surely, 2^164364424 is an apocalyptic number.

164364424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

164364424 is an abundant number, since it is smaller than the sum of its proper divisors (194135366).

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

164364424 is a wasteful number, since it uses less digits than its factorization.

164364424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419317 (or 419306 counting only the distinct ones).

The product of its digits is 55296, while the sum is 34.

The square root of 164364424 is about 12820.4689461813. The cubic root of 164364424 is about 547.7755043295.

The spelling of 164364424 in words is "one hundred sixty-four million, three hundred sixty-four thousand, four hundred twenty-four".