16105555440303 has 16 divisors (see below), whose sum is σ = 24551119700736. Its totient is φ = 9199679186880.

The previous prime is 16105555440239. The next prime is 16105555440307. The reversal of 16105555440303 is 30304455550161.

It is a happy number.

It is not a de Polignac number, because 16105555440303 - 2⁶ = 16105555440239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16105555440307) 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, 145582993 + ... + 145693578.

It is an arithmetic number, because the mean of its divisors is an integer number (1534444981296).

Almost surely, 2^{16105555440303} is an apocalyptic number.

16105555440303 is a deficient number, since it is larger than the sum of its proper divisors (8445564260433).

16105555440303 is a wasteful number, since it uses less digits than its factorization.

16105555440303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291279214.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 16105555440303 in words is "sixteen trillion, one hundred five billion, five hundred fifty-five million, four hundred forty thousand, three hundred three".