16627797828 has 48 divisors (see below), whose sum is σ = 43116131520. Its totient is φ = 5541696000.

The previous prime is 16627797751. The next prime is 16627797871. The reversal of 16627797828 is 82879772661.

16627797828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1147428 + ... + 1161828.

It is an arithmetic number, because the mean of its divisors is an integer number (898252740).

Almost surely, 2^16627797828 is an apocalyptic number.

16627797828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

16627797828 is an abundant number, since it is smaller than the sum of its proper divisors (26488333692).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16627797828 is a wasteful number, since it uses less digits than its factorization.

16627797828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25105 (or 25097 counting only the distinct ones).

The product of its digits is 28449792, while the sum is 63.

The spelling of 16627797828 in words is "sixteen billion, six hundred twenty-seven million, seven hundred ninety-seven thousand, eight hundred twenty-eight".