16749654048 has 72 divisors (see below), whose sum is σ = 47738281500. Its totient is φ = 5570740224.

The previous prime is 16749654037. The next prime is 16749654101. The reversal of 16749654048 is 84045694761.

16749654048 is a `hidden beast` number, since 1 + 6 + 7 + 4 + 96 + 540 + 4 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 15812559504 + 937094544 = 125748^2 + 30612^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 16749653985 and 16749654003.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64548 + ... + 194076.

Almost surely, 2^16749654048 is an apocalyptic number.

16749654048 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 16749654048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23869140750).

16749654048 is an abundant number, since it is smaller than the sum of its proper divisors (30988627452).

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

16749654048 is a wasteful number, since it uses less digits than its factorization.

16749654048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129994 (or 129983 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 16749654048 in words is "sixteen billion, seven hundred forty-nine million, six hundred fifty-four thousand, forty-eight".