16005616620611 has 16 divisors (see below), whose sum is σ = 16925359570560. Its totient is φ = 15093756797760.

The previous prime is 16005616620601. The next prime is 16005616620641. The reversal of 16005616620611 is 11602661650061.

16005616620611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 16005616620611 - 2⁶ = 16005616620547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16005616620601) 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, 1802231 + ... + 5937951.

It is an arithmetic number, because the mean of its divisors is an integer number (1057834973160).

Almost surely, 2^{16005616620611} is an apocalyptic number.

16005616620611 is a deficient number, since it is larger than the sum of its proper divisors (919742949949).

16005616620611 is a wasteful number, since it uses less digits than its factorization.

16005616620611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136674.

The product of its (nonzero) digits is 77760, while the sum is 41.

It can be divided in two parts, 16005 and 616620611, that added together give a palindrome (616636616).

The spelling of 16005616620611 in words is "sixteen trillion, five billion, six hundred sixteen million, six hundred twenty thousand, six hundred eleven".