16418132561103 has 64 divisors (see below), whose sum is σ = 27885394790400. Its totient is φ = 8357360094720.

The previous prime is 16418132561087. The next prime is 16418132561147. The reversal of 16418132561103 is 30116523181461.

It is not a de Polignac number, because 16418132561103 - 2⁴ = 16418132561087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16418132561203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15552558 + ... + 16574628.

It is an arithmetic number, because the mean of its divisors is an integer number (435709293600).

Almost surely, 2^{16418132561103} is an apocalyptic number.

16418132561103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16418132561103 is a deficient number, since it is larger than the sum of its proper divisors (11467262229297).

16418132561103 is a wasteful number, since it uses less digits than its factorization.

16418132561103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024152.

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 16418132561103 in words is "sixteen trillion, four hundred eighteen billion, one hundred thirty-two million, five hundred sixty-one thousand, one hundred three".