16629944752 has 10 divisors (see below), whose sum is σ = 32220517988. Its totient is φ = 8314972368.

The previous prime is 16629944741. The next prime is 16629944753. The reversal of 16629944752 is 25744992661.

It is a junction number, because it is equal to n+sod(n) for n = 16629944693 and 16629944702.

It is not an unprimeable number, because it can be changed into a prime (16629944753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519685758 + ... + 519685789.

Almost surely, 2^16629944752 is an apocalyptic number.

It is an amenable number.

16629944752 is a deficient number, since it is larger than the sum of its proper divisors (15590573236).

16629944752 is a wasteful number, since it uses less digits than its factorization.

16629944752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039371555 (or 1039371549 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 55.

The spelling of 16629944752 in words is "sixteen billion, six hundred twenty-nine million, nine hundred forty-four thousand, seven hundred fifty-two".