16897400960 has 128 divisors (see below), whose sum is σ = 44201039040. Its totient is φ = 6125916160.

The previous prime is 16897400951. The next prime is 16897401023. The reversal of 16897400960 is 6900479861.

It is a tau number, because it is divible by the number of its divisors (128).

It is a junction number, because it is equal to n+sod(n) for n = 16897400899 and 16897400908.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2439422 + ... + 2446338.

Almost surely, 2^16897400960 is an apocalyptic number.

16897400960 is a gapful number since it is divisible by the number (10) 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 16897400960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22100519520).

16897400960 is an abundant number, since it is smaller than the sum of its proper divisors (27303638080).

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

16897400960 is a wasteful number, since it uses less digits than its factorization.

16897400960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7294 (or 7282 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 50.

The spelling of 16897400960 in words is "sixteen billion, eight hundred ninety-seven million, four hundred thousand, nine hundred sixty".