16529940 has 96 divisors (see below), whose sum is σ = 58786560. Its totient is φ = 3777408.

The previous prime is 16529927. The next prime is 16529941. The reversal of 16529940 is 4992561.

16529940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 16529895 and 16529904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16529941) 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, 1594 + ... + 5966.

It is an arithmetic number, because the mean of its divisors is an integer number (612360).

Almost surely, 2^16529940 is an apocalyptic number.

16529940 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 16529940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29393280).

16529940 is an abundant number, since it is smaller than the sum of its proper divisors (42256620).

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

16529940 is a wasteful number, since it uses less digits than its factorization.

16529940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4398 (or 4390 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 16529940 is about 4065.7028912600. The cubic root of 16529940 is about 254.7360590789.

The spelling of 16529940 in words is "sixteen million, five hundred twenty-nine thousand, nine hundred forty".