16105151616563 has 4 divisors (see below), whose sum is σ = 16105191142128. Its totient is φ = 16105112091000.

The previous prime is 16105151616557. The next prime is 16105151616581. The reversal of 16105151616563 is 36561615150161.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16105151616563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16105151616523) 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, 19145156 + ... + 19968657.

It is an arithmetic number, because the mean of its divisors is an integer number (4026297785532).

Almost surely, 2^{16105151616563} is an apocalyptic number.

16105151616563 is a deficient number, since it is larger than the sum of its proper divisors (39525565).

16105151616563 is an equidigital number, since it uses as much as digits as its factorization.

16105151616563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39525564.

The product of its (nonzero) digits is 486000, while the sum is 47.

The spelling of 16105151616563 in words is "sixteen trillion, one hundred five billion, one hundred fifty-one million, six hundred sixteen thousand, five hundred sixty-three".