16626536626 has 12 divisors (see below), whose sum is σ = 29011609998. Its totient is φ = 7125658512.

The previous prime is 16626536617. The next prime is 16626536629. The reversal of 16626536626 is 62663562661.

16626536626 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 16598457225 + 28079401 = 128835^2 + 5299^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a self number, because there is not a number n which added to its sum of digits gives 16626536626.

It is not an unprimeable number, because it can be changed into a prime (16626536629) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 84829171 + ... + 84829366.

Almost surely, 2^16626536626 is an apocalyptic number.

16626536626 is a deficient number, since it is larger than the sum of its proper divisors (12385073372).

16626536626 is a wasteful number, since it uses less digits than its factorization.

16626536626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169658553 (or 169658546 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 49.

The spelling of 16626536626 in words is "sixteen billion, six hundred twenty-six million, five hundred thirty-six thousand, six hundred twenty-six".