164424636 has 36 divisors (see below), whose sum is σ = 417198600. Its totient is φ = 54601248.

The previous prime is 164424593. The next prime is 164424641. The reversal of 164424636 is 636424461.

164424636 is a `hidden beast` number, since 1 + 644 + 2 + 4 + 6 + 3 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×164424636³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 164424636.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1195 + ... + 18173.

It is an arithmetic number, because the mean of its divisors is an integer number (11588850).

Almost surely, 2^164424636 is an apocalyptic number.

It is an amenable number.

164424636 is an abundant number, since it is smaller than the sum of its proper divisors (252773964).

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

164424636 is a wasteful number, since it uses less digits than its factorization.

164424636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17258 (or 17253 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 164424636 is about 12822.8170071946. The cubic root of 164424636 is about 547.8423854529.

The spelling of 164424636 in words is "one hundred sixty-four million, four hundred twenty-four thousand, six hundred thirty-six".