16728016704 has 280 divisors, whose sum is σ = 52215031968. Its totient is φ = 4725826560.

The previous prime is 16728016681. The next prime is 16728016717. The reversal of 16728016704 is 40761082761.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 60389814 + ... + 60390090.

Almost surely, 2^16728016704 is an apocalyptic number.

16728016704 is a gapful number since it is divisible by the number (14) 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 16728016704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26107515984).

16728016704 is an abundant number, since it is smaller than the sum of its proper divisors (35487015264).

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

16728016704 is an equidigital number, since it uses as much as digits as its factorization.

16728016704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 42.

The spelling of 16728016704 in words is "sixteen billion, seven hundred twenty-eight million, sixteen thousand, seven hundred four".