16994976 has 96 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 5263104.

The previous prime is 16994969. The next prime is 16994977. The reversal of 16994976 is 67949961.

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

It is not an unprimeable number, because it can be changed into a prime (16994977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94855 + ... + 95033.

It is an arithmetic number, because the mean of its divisors is an integer number (498960).

Almost surely, 2^16994976 is an apocalyptic number.

16994976 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 16994976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23950080).

16994976 is an abundant number, since it is smaller than the sum of its proper divisors (30905184).

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

16994976 is a wasteful number, since it uses less digits than its factorization.

16994976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258 (or 250 counting only the distinct ones).

The product of its digits is 734832, while the sum is 51.

The square root of 16994976 is about 4122.4963311081. The cubic root of 16994976 is about 257.1028269257.

The spelling of 16994976 in words is "sixteen million, nine hundred ninety-four thousand, nine hundred seventy-six".