16626464552 has 16 divisors (see below), whose sum is σ = 31190945940. Its totient is φ = 8308878976.

The previous prime is 16626464521. The next prime is 16626464579. The reversal of 16626464552 is 25546462661.

It can be written as a sum of positive squares in 2 ways, for example, as 13739121796 + 2887342756 = 117214^2 + 53734^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16626464497 and 16626464506.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 527903 + ... + 558510.

Almost surely, 2^16626464552 is an apocalyptic number.

It is an amenable number.

16626464552 is a deficient number, since it is larger than the sum of its proper divisors (14564481388).

16626464552 is a wasteful number, since it uses less digits than its factorization.

16626464552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088332 (or 1088328 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 47.

The spelling of 16626464552 in words is "sixteen billion, six hundred twenty-six million, four hundred sixty-four thousand, five hundred fifty-two".