16554103 has 2 divisors, whose sum is σ = 16554104. Its totient is φ = 16554102.

The previous prime is 16554091. The next prime is 16554127. The reversal of 16554103 is 30145561.

It is a weak prime.

It is an emirp because it is prime and its reverse (30145561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16554103 - 2⁹ = 16553591 is a prime.

It is a super-2 number, since 2×16554103² = 548076652269218, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16554173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8277051 + 8277052.

It is an arithmetic number, because the mean of its divisors is an integer number (8277052).

Almost surely, 2^16554103 is an apocalyptic number.

16554103 is a deficient number, since it is larger than the sum of its proper divisors (1).

16554103 is an equidigital number, since it uses as much as digits as its factorization.

16554103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 16554103 is about 4068.6733710142. The cubic root of 16554103 is about 254.8601206437.

Adding to 16554103 its reverse (30145561), we get a palindrome (46699664).

The spelling of 16554103 in words is "sixteen million, five hundred fifty-four thousand, one hundred three".