16623025228 has 6 divisors (see below), whose sum is σ = 29090294156. Its totient is φ = 8311512612.

The previous prime is 16623025217. The next prime is 16623025229. The reversal of 16623025228 is 82252032661.

It is not an unprimeable number, because it can be changed into a prime (16623025229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2077878150 + ... + 2077878157.

Almost surely, 2^16623025228 is an apocalyptic number.

It is an amenable number.

16623025228 is a deficient number, since it is larger than the sum of its proper divisors (12467268928).

16623025228 is a wasteful number, since it uses less digits than its factorization.

16623025228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155756311 (or 4155756309 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 16623025228 its reverse (82252032661), we get a palindrome (98875057889).

The spelling of 16623025228 in words is "sixteen billion, six hundred twenty-three million, twenty-five thousand, two hundred twenty-eight".