16994880 has 224 divisors, whose sum is σ = 68762880. Its totient is φ = 3870720.

The previous prime is 16994867. The next prime is 16994881. The reversal of 16994880 is 8849961.

16994880 is a `hidden beast` number, since 169 + 9 + 488 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (224).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (16994881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60340 + ... + 60620.

Almost surely, 2^16994880 is an apocalyptic number.

16994880 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 16994880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34381440).

16994880 is an abundant number, since it is smaller than the sum of its proper divisors (51768000).

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

16994880 is a wasteful number, since it uses less digits than its factorization.

16994880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 16994880 is about 4122.4846876611. The cubic root of 16994880 is about 257.1023428234.

The spelling of 16994880 in words is "sixteen million, nine hundred ninety-four thousand, eight hundred eighty".