164438936 has 16 divisors (see below), whose sum is σ = 312039000. Its totient is φ = 81228544.

The previous prime is 164438927. The next prime is 164438951. The reversal of 164438936 is 639834461.

164438936 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×164438936³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123161 + ... + 124488.

Almost surely, 2^164438936 is an apocalyptic number.

It is an amenable number.

164438936 is a deficient number, since it is larger than the sum of its proper divisors (147600064).

164438936 is a wasteful number, since it uses less digits than its factorization.

164438936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247738 (or 247734 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 164438936 is about 12823.3745948561. The cubic root of 164438936 is about 547.8582669314.

The spelling of 164438936 in words is "one hundred sixty-four million, four hundred thirty-eight thousand, nine hundred thirty-six".