16001103 has 16 divisors (see below), whose sum is σ = 21920256. Its totient is φ = 10377600.

The previous prime is 16001081. The next prime is 16001107. The reversal of 16001103 is 30110061.

16001103 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 16001103 - 2¹⁰ = 16000079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16001107) 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, 39703 + ... + 40103.

It is an arithmetic number, because the mean of its divisors is an integer number (1370016).

Almost surely, 2^16001103 is an apocalyptic number.

16001103 is a deficient number, since it is larger than the sum of its proper divisors (5919153).

16001103 is a wasteful number, since it uses less digits than its factorization.

16001103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 16001103 is about 4000.1378726239. The cubic root of 16001103 is about 251.9900002331.

Adding to 16001103 its reverse (30110061), we get a palindrome (46111164).

The spelling of 16001103 in words is "sixteen million, one thousand, one hundred three".