16705189852 has 72 divisors (see below), whose sum is σ = 32657799888. Its totient is φ = 7432381440.

The previous prime is 16705189811. The next prime is 16705189871. The reversal of 16705189852 is 25898150761.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 16705189852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17639643 + ... + 17640589.

It is an arithmetic number, because the mean of its divisors is an integer number (453580554).

Almost surely, 2^16705189852 is an apocalyptic number.

It is an amenable number.

16705189852 is a deficient number, since it is larger than the sum of its proper divisors (15952610036).

16705189852 is a wasteful number, since it uses less digits than its factorization.

16705189852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1346 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 52.

The spelling of 16705189852 in words is "sixteen billion, seven hundred five million, one hundred eighty-nine thousand, eight hundred fifty-two".