16105560361 has 4 divisors (see below), whose sum is σ = 17569702224. Its totient is φ = 14641418500.

The previous prime is 16105560343. The next prime is 16105560413. The reversal of 16105560361 is 16306550161.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 16105560361 - 2²⁹ = 15568689449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16105560761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732070915 + ... + 732070936.

It is an arithmetic number, because the mean of its divisors is an integer number (4392425556).

Almost surely, 2^16105560361 is an apocalyptic number.

16105560361 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16105560361 is a deficient number, since it is larger than the sum of its proper divisors (1464141863).

16105560361 is a wasteful number, since it uses less digits than its factorization.

16105560361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464141862.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 16105560361 in words is "sixteen billion, one hundred five million, five hundred sixty thousand, three hundred sixty-one".