16499400048 has 120 divisors (see below), whose sum is σ = 49693556016. Its totient is φ = 5091379200.

The previous prime is 16499399999. The next prime is 16499400077. The reversal of 16499400048 is 84000499461.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 16499399976 and 16499400012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94083 + ... + 204573.

Almost surely, 2^16499400048 is an apocalyptic number.

16499400048 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 16499400048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24846778008).

16499400048 is an abundant number, since it is smaller than the sum of its proper divisors (33194155968).

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

16499400048 is a wasteful number, since it uses less digits than its factorization.

16499400048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110583 (or 110574 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 16499400048 in words is "sixteen billion, four hundred ninety-nine million, four hundred thousand, forty-eight".