16897004416 has 32 divisors (see below), whose sum is σ = 33718164480. Its totient is φ = 8434406400.

The previous prime is 16897004387. The next prime is 16897004417. The reversal of 16897004416 is 61440079861.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16897004417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32896 + ... + 186751.

It is an arithmetic number, because the mean of its divisors is an integer number (1053692640).

Almost surely, 2^16897004416 is an apocalyptic number.

16897004416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

16897004416 is a deficient number, since it is larger than the sum of its proper divisors (16821160064).

16897004416 is an equidigital number, since it uses as much as digits as its factorization.

16897004416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220262 (or 220250 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 16897004416 in words is "sixteen billion, eight hundred ninety-seven million, four thousand, four hundred sixteen".