16355420 has 48 divisors (see below), whose sum is σ = 35955360. Its totient is φ = 6241536.

The previous prime is 16355413. The next prime is 16355467. The reversal of 16355420 is 2455361.

16355420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 16355420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94454 + ... + 94626.

It is an arithmetic number, because the mean of its divisors is an integer number (749070).

Almost surely, 2^16355420 is an apocalyptic number.

16355420 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 16355420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17977680).

16355420 is an abundant number, since it is smaller than the sum of its proper divisors (19599940).

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

16355420 is a wasteful number, since it uses less digits than its factorization.

16355420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 372 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 16355420 is about 4044.1834775391. The cubic root of 16355420 is about 253.8364003222.

The spelling of 16355420 in words is "sixteen million, three hundred fifty-five thousand, four hundred twenty".