16105344412 has 12 divisors (see below), whose sum is σ = 28223125840. Its totient is φ = 8041594176.

The previous prime is 16105344407. The next prime is 16105344443. The reversal of 16105344412 is 21444350161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2766237 + ... + 2772052.

Almost surely, 2^16105344412 is an apocalyptic number.

It is an amenable number.

16105344412 is a deficient number, since it is larger than the sum of its proper divisors (12117781428).

16105344412 is a wasteful number, since it uses less digits than its factorization.

16105344412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5539020 (or 5539018 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

Adding to 16105344412 its reverse (21444350161), we get a palindrome (37549694573).

The spelling of 16105344412 in words is "sixteen billion, one hundred five million, three hundred forty-four thousand, four hundred twelve".