164886544 has 20 divisors (see below), whose sum is σ = 319820800. Its totient is φ = 82352160.

The previous prime is 164886497. The next prime is 164886571. The reversal of 164886544 is 445688461.

It is a junction number, because it is equal to n+sod(n) for n = 164886494 and 164886503.

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, 10657 + ... + 21055.

It is an arithmetic number, because the mean of its divisors is an integer number (15991040).

Almost surely, 2^164886544 is an apocalyptic number.

It is an amenable number.

164886544 is a deficient number, since it is larger than the sum of its proper divisors (154934256).

164886544 is a wasteful number, since it uses less digits than its factorization.

164886544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11398 (or 11392 counting only the distinct ones).

The product of its digits is 737280, while the sum is 46.

The square root of 164886544 is about 12840.8155504236. The cubic root of 164886544 is about 548.3549124358.

It can be divided in two parts, 16488 and 6544, that added together give a palindrome (23032).

The spelling of 164886544 in words is "one hundred sixty-four million, eight hundred eighty-six thousand, five hundred forty-four".