16623025227 has 16 divisors (see below), whose sum is σ = 24628961280. Its totient is φ = 11081001096.

The previous prime is 16623025217. The next prime is 16623025229. The reversal of 16623025227 is 72252032661.

16623025227 is a `hidden beast` number, since 1 + 6 + 623 + 0 + 2 + 5 + 2 + 27 = 666.

It is not a de Polignac number, because 16623025227 - 2⁶ = 16623025163 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16623025191 and 16623025200.

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 in 15 ways as a sum of consecutive naturals, for example, 378318 + ... + 419964.

It is an arithmetic number, because the mean of its divisors is an integer number (1539310080).

Almost surely, 2^16623025227 is an apocalyptic number.

16623025227 is a deficient number, since it is larger than the sum of its proper divisors (8005936053).

16623025227 is a wasteful number, since it uses less digits than its factorization.

16623025227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56439 (or 56433 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

Adding to 16623025227 its reverse (72252032661), we get a palindrome (88875057888).

The spelling of 16623025227 in words is "sixteen billion, six hundred twenty-three million, twenty-five thousand, two hundred twenty-seven".