16628223535 has 48 divisors (see below), whose sum is σ = 25096780800. Its totient is φ = 10352928960.

The previous prime is 16628223503. The next prime is 16628223571. The reversal of 16628223535 is 53532282661.

It is not a de Polignac number, because 16628223535 - 2⁵ = 16628223503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16628223491 and 16628223500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4398276 + ... + 4402054.

It is an arithmetic number, because the mean of its divisors is an integer number (522849600).

Almost surely, 2^16628223535 is an apocalyptic number.

16628223535 is a deficient number, since it is larger than the sum of its proper divisors (8468557265).

16628223535 is a wasteful number, since it uses less digits than its factorization.

16628223535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4852 (or 4841 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The spelling of 16628223535 in words is "sixteen billion, six hundred twenty-eight million, two hundred twenty-three thousand, five hundred thirty-five".