16545655441103 has 4 divisors (see below), whose sum is σ = 16553858544480. Its totient is φ = 16537452337728.

The previous prime is 16545655441099. The next prime is 16545655441163. The reversal of 16545655441103 is 30114455654561.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16545655441103 - 2² = 16545655441099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16545655441163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4101548663 + ... + 4101552696.

It is an arithmetic number, because the mean of its divisors is an integer number (4138464636120).

Almost surely, 2^{16545655441103} is an apocalyptic number.

16545655441103 is a deficient number, since it is larger than the sum of its proper divisors (8203103377).

16545655441103 is an equidigital number, since it uses as much as digits as its factorization.

16545655441103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8203103376.

The product of its (nonzero) digits is 4320000, while the sum is 50.

The spelling of 16545655441103 in words is "sixteen trillion, five hundred forty-five billion, six hundred fifty-five million, four hundred forty-one thousand, one hundred three".