16721062633 has 24 divisors (see below), whose sum is σ = 18713739744. Its totient is φ = 14815468800.

The previous prime is 16721062601. The next prime is 16721062649. The reversal of 16721062633 is 33626012761.

It is not a de Polignac number, because 16721062633 - 2⁵ = 16721062601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16721062592 and 16721062601.

It is not an unprimeable number, because it can be changed into a prime (16721062733) 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 in 23 ways as a sum of consecutive naturals, for example, 4788018 + ... + 4791508.

It is an arithmetic number, because the mean of its divisors is an integer number (779739156).

Almost surely, 2^16721062633 is an apocalyptic number.

It is an amenable number.

16721062633 is a deficient number, since it is larger than the sum of its proper divisors (1992677111).

16721062633 is an equidigital number, since it uses as much as digits as its factorization.

16721062633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3733 (or 3666 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 16721062633 in words is "sixteen billion, seven hundred twenty-one million, sixty-two thousand, six hundred thirty-three".