16352820 has 96 divisors (see below), whose sum is σ = 55520640. Its totient is φ = 3962880.

The previous prime is 16352801. The next prime is 16352867. The reversal of 16352820 is 2825361.

16352820 is a `hidden beast` number, since 1 + 635 + 2 + 8 + 20 = 666.

16352820 is digitally balanced in base 2 and base 4, because in such bases 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 (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4564 + ... + 7316.

It is an arithmetic number, because the mean of its divisors is an integer number (578340).

Almost surely, 2^16352820 is an apocalyptic number.

16352820 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 16352820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27760320).

16352820 is an abundant number, since it is smaller than the sum of its proper divisors (39167820).

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

16352820 is a wasteful number, since it uses less digits than its factorization.

16352820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782 (or 2774 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 16352820 is about 4043.8620154501. The cubic root of 16352820 is about 253.8229489278.

It can be divided in two parts, 16 and 352820, that added together give a square (352836 = 594²).

The spelling of 16352820 in words is "sixteen million, three hundred fifty-two thousand, eight hundred twenty".