16105644916 has 24 divisors (see below), whose sum is σ = 28319566464. Its totient is φ = 8014392000.

The previous prime is 16105644871. The next prime is 16105644953. The reversal of 16105644916 is 61944650161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1423056 + ... + 1434328.

It is an arithmetic number, because the mean of its divisors is an integer number (1179981936).

Almost surely, 2^16105644916 is an apocalyptic number.

It is an amenable number.

16105644916 is a deficient number, since it is larger than the sum of its proper divisors (12213921548).

16105644916 is a wasteful number, since it uses less digits than its factorization.

16105644916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12951 (or 12949 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 16105644916 in words is "sixteen billion, one hundred five million, six hundred forty-four thousand, nine hundred sixteen".