16103406 has 48 divisors (see below), whose sum is σ = 36331344. Its totient is φ = 4752000.

The previous prime is 16103303. The next prime is 16103413. The reversal of 16103406 is 60430161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29496 + ... + 30036.

It is an arithmetic number, because the mean of its divisors is an integer number (756903).

Almost surely, 2^16103406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16103406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18165672).

16103406 is an abundant number, since it is smaller than the sum of its proper divisors (20227938).

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

16103406 is a wasteful number, since it uses less digits than its factorization.

16103406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 16103406 is about 4012.9049328386. The cubic root of 16103406 is about 252.5258921917.

Adding to 16103406 its reverse (60430161), we get a palindrome (76533567).

The spelling of 16103406 in words is "sixteen million, one hundred three thousand, four hundred six".