16668751052 has 6 divisors (see below), whose sum is σ = 29170314348. Its totient is φ = 8334375524.

The previous prime is 16668751031. The next prime is 16668751081. The reversal of 16668751052 is 25015786661.

16668751052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×16668751052² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16668750988 and 16668751006.

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 as a sum of consecutive naturals, namely, 2083593878 + ... + 2083593885.

It is an arithmetic number, because the mean of its divisors is an integer number (4861719058).

Almost surely, 2^16668751052 is an apocalyptic number.

It is an amenable number.

16668751052 is a deficient number, since it is larger than the sum of its proper divisors (12501563296).

16668751052 is a wasteful number, since it uses less digits than its factorization.

16668751052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4167187767 (or 4167187765 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 16668751052 in words is "sixteen billion, six hundred sixty-eight million, seven hundred fifty-one thousand, fifty-two".