16344436611 has 8 divisors (see below), whose sum is σ = 22299386560. Its totient is φ = 10642888872.

The previous prime is 16344436601. The next prime is 16344436639. The reversal of 16344436611 is 11663444361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16344436611 - 2⁶ = 16344436547 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16344436611.

It is not an unprimeable number, because it can be changed into a prime (16344436601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63350401 + ... + 63350658.

It is an arithmetic number, because the mean of its divisors is an integer number (2787423320).

Almost surely, 2^16344436611 is an apocalyptic number.

16344436611 is a deficient number, since it is larger than the sum of its proper divisors (5954949949).

16344436611 is a wasteful number, since it uses less digits than its factorization.

16344436611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126701105.

The product of its digits is 124416, while the sum is 39.

The spelling of 16344436611 in words is "sixteen billion, three hundred forty-four million, four hundred thirty-six thousand, six hundred eleven".