16628563352 has 8 divisors (see below), whose sum is σ = 31178556300. Its totient is φ = 8314281672.

The previous prime is 16628563337. The next prime is 16628563403. The reversal of 16628563352 is 25336582661.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 16628563297 and 16628563306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1039285202 + ... + 1039285217.

Almost surely, 2^16628563352 is an apocalyptic number.

It is an amenable number.

16628563352 is a deficient number, since it is larger than the sum of its proper divisors (14549992948).

16628563352 is a wasteful number, since it uses less digits than its factorization.

16628563352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078570425 (or 2078570421 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 47.

The spelling of 16628563352 in words is "sixteen billion, six hundred twenty-eight million, five hundred sixty-three thousand, three hundred fifty-two".