16796640 has 96 divisors (see below), whose sum is σ = 60480000. Its totient is φ = 3838464.

The previous prime is 16796623. The next prime is 16796653. The reversal of 16796640 is 4669761.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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, 861 + ... + 5859.

It is an arithmetic number, because the mean of its divisors is an integer number (630000).

Almost surely, 2^16796640 is an apocalyptic number.

16796640 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 16796640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30240000).

16796640 is an abundant number, since it is smaller than the sum of its proper divisors (43683360).

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

16796640 is a wasteful number, since it uses less digits than its factorization.

16796640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024 (or 5016 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 16796640 is about 4098.3704078572. The cubic root of 16796640 is about 256.0987574702.

The spelling of 16796640 in words is "sixteen million, seven hundred ninety-six thousand, six hundred forty".