16874729472 has 156 divisors (see below), whose sum is σ = 46524552360. Its totient is φ = 5439651840.

The previous prime is 16874729437. The next prime is 16874729489. The reversal of 16874729472 is 27492747861.

It is a congruent number.

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, 11808054 + ... + 11809482.

It is an arithmetic number, because the mean of its divisors is an integer number (298234310).

Almost surely, 2^16874729472 is an apocalyptic number.

16874729472 is a gapful number since it is divisible by the number (12) 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 16874729472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23262276180).

16874729472 is an abundant number, since it is smaller than the sum of its proper divisors (29649822888).

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

16874729472 is an equidigital number, since it uses as much as digits as its factorization.

16874729472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518 (or 1465 counting only the distinct ones).

The product of its digits is 9483264, while the sum is 57.

The spelling of 16874729472 in words is "sixteen billion, eight hundred seventy-four million, seven hundred twenty-nine thousand, four hundred seventy-two".