16745396416 has 168 divisors, whose sum is σ = 39490771920. Its totient is φ = 7023034368.

The previous prime is 16745396383. The next prime is 16745396419. The reversal of 16745396416 is 61469354761.

It is a super-2 number, since 2×16745396416² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16745396419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44182915 + ... + 44183293.

Almost surely, 2^16745396416 is an apocalyptic number.

16745396416 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 16745396416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19745385960).

16745396416 is an abundant number, since it is smaller than the sum of its proper divisors (22745375504).

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

16745396416 is a wasteful number, since it uses less digits than its factorization.

16745396416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671 (or 654 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 52.

The spelling of 16745396416 in words is "sixteen billion, seven hundred forty-five million, three hundred ninety-six thousand, four hundred sixteen".