16673736416 has 48 divisors (see below), whose sum is σ = 33646846464. Its totient is φ = 8129165184.

The previous prime is 16673736407. The next prime is 16673736419. The reversal of 16673736416 is 61463737661.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16673736419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825251 + ... + 845213.

It is an arithmetic number, because the mean of its divisors is an integer number (700975968).

Almost surely, 2^16673736416 is an apocalyptic number.

16673736416 is a gapful number since it is divisible by the number (16) 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 16673736416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16823423232).

16673736416 is an abundant number, since it is smaller than the sum of its proper divisors (16973110048).

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

16673736416 is a wasteful number, since it uses less digits than its factorization.

16673736416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20623 (or 20615 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 50.

The spelling of 16673736416 in words is "sixteen billion, six hundred seventy-three million, seven hundred thirty-six thousand, four hundred sixteen".