16966040 has 128 divisors (see below), whose sum is σ = 48384000. Its totient is φ = 5211648.

The previous prime is 16966039. The next prime is 16966049. The reversal of 16966040 is 4066961.

It is a junction number, because it is equal to n+sod(n) for n = 16965988 and 16966006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16966049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214721 + ... + 214799.

It is an arithmetic number, because the mean of its divisors is an integer number (378000).

Almost surely, 2^16966040 is an apocalyptic number.

16966040 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 16966040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24192000).

16966040 is an abundant number, since it is smaller than the sum of its proper divisors (31417960).

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

16966040 is a wasteful number, since it uses less digits than its factorization.

16966040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 16966040 is about 4118.9853119427. The cubic root of 16966040 is about 256.9568278251.

The spelling of 16966040 in words is "sixteen million, nine hundred sixty-six thousand, forty".