16940508 has 72 divisors (see below), whose sum is σ = 44375184. Its totient is φ = 4999680.

The previous prime is 16940507. The next prime is 16940519. The reversal of 16940508 is 80504961.

It is a super-2 number, since 2×16940508² = 573961622596128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16940501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149860 + ... + 149972.

It is an arithmetic number, because the mean of its divisors is an integer number (616322).

Almost surely, 2^16940508 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16940508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22187592).

16940508 is an abundant number, since it is smaller than the sum of its proper divisors (27434676).

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

16940508 is a wasteful number, since it uses less digits than its factorization.

16940508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 16940508 is about 4115.8848380391. The cubic root of 16940508 is about 256.8278659797.

The spelling of 16940508 in words is "sixteen million, nine hundred forty thousand, five hundred eight".