16788140748 has 144 divisors (see below), whose sum is σ = 44179140096. Its totient is φ = 5371931520.

The previous prime is 16788140731. The next prime is 16788140753. The reversal of 16788140748 is 84704188761.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16788140694 and 16788140703.

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, 24295083 + ... + 24295773.

It is an arithmetic number, because the mean of its divisors is an integer number (306799584).

Almost surely, 2^16788140748 is an apocalyptic number.

16788140748 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16788140748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22089570048).

16788140748 is an abundant number, since it is smaller than the sum of its proper divisors (27390999348).

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

16788140748 is a wasteful number, since it uses less digits than its factorization.

16788140748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 2408448, while the sum is 54.

The spelling of 16788140748 in words is "sixteen billion, seven hundred eighty-eight million, one hundred forty thousand, seven hundred forty-eight".