164936444 has 12 divisors (see below), whose sum is σ = 290577000. Its totient is φ = 81914448.

The previous prime is 164936423. The next prime is 164936501. The reversal of 164936444 is 444639461.

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 3 ways as a sum of consecutive naturals, for example, 137774 + ... + 138965.

It is an arithmetic number, because the mean of its divisors is an integer number (24214750).

Almost surely, 2^164936444 is an apocalyptic number.

It is an amenable number.

164936444 is a deficient number, since it is larger than the sum of its proper divisors (125640556).

164936444 is a wasteful number, since it uses less digits than its factorization.

164936444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276892 (or 276890 counting only the distinct ones).

The product of its digits is 248832, while the sum is 41.

The square root of 164936444 is about 12842.7584264441. The cubic root of 164936444 is about 548.4102234993.

The spelling of 164936444 in words is "one hundred sixty-four million, nine hundred thirty-six thousand, four hundred forty-four".