16420360 has 64 divisors (see below), whose sum is σ = 40979520. Its totient is φ = 5871360.

The previous prime is 16420333. The next prime is 16420373. The reversal of 16420360 is 6302461.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29202 + ... + 29758.

It is an arithmetic number, because the mean of its divisors is an integer number (640305).

Almost surely, 2^16420360 is an apocalyptic number.

16420360 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 16420360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20489760).

16420360 is an abundant number, since it is smaller than the sum of its proper divisors (24559160).

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

16420360 is a wasteful number, since it uses less digits than its factorization.

16420360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 642 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 16420360 is about 4052.2043383818. The cubic root of 16420360 is about 254.1719132961.

The spelling of 16420360 in words is "sixteen million, four hundred twenty thousand, three hundred sixty".