16788656444 has 24 divisors (see below), whose sum is σ = 33591690720. Its totient is φ = 7192057536.

The previous prime is 16788656419. The next prime is 16788656447. The reversal of 16788656444 is 44465688761.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16788656447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61199 + ... + 193190.

It is an arithmetic number, because the mean of its divisors is an integer number (1399653780).

Almost surely, 2^16788656444 is an apocalyptic number.

16788656444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16788656444 is an abundant number, since it is smaller than the sum of its proper divisors (16803034276).

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

16788656444 is a wasteful number, since it uses less digits than its factorization.

16788656444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256757 (or 256755 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 59.

The spelling of 16788656444 in words is "sixteen billion, seven hundred eighty-eight million, six hundred fifty-six thousand, four hundred forty-four".