16620360 has 64 divisors (see below), whose sum is σ = 51036480. Its totient is φ = 4327680.

The previous prime is 16620353. The next prime is 16620361. The reversal of 16620360 is 6302661.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 16620360.

It is not an unprimeable number, because it can be changed into a prime (16620361) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3550 + ... + 6770.

It is an arithmetic number, because the mean of its divisors is an integer number (797445).

Almost surely, 2^16620360 is an apocalyptic number.

16620360 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 16620360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25518240).

16620360 is an abundant number, since it is smaller than the sum of its proper divisors (34416120).

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

16620360 is a wasteful number, since it uses less digits than its factorization.

16620360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278 (or 3274 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 16620360 is about 4076.8075745613. The cubic root of 16620360 is about 255.1996897956.

The spelling of 16620360 in words is "sixteen million, six hundred twenty thousand, three hundred sixty".