16105409079 has 8 divisors (see below), whose sum is σ = 21879046512. Its totient is φ = 10534355520.

The previous prime is 16105409077. The next prime is 16105409087. The reversal of 16105409079 is 97090450161.

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

It is not a de Polignac number, because 16105409079 - 2¹ = 16105409077 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 16105409079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16105409077) 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, 50645782 + ... + 50646099.

It is an arithmetic number, because the mean of its divisors is an integer number (2734880814).

Almost surely, 2^16105409079 is an apocalyptic number.

16105409079 is a deficient number, since it is larger than the sum of its proper divisors (5773637433).

16105409079 is a wasteful number, since it uses less digits than its factorization.

16105409079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101291937.

The product of its (nonzero) digits is 68040, while the sum is 42.

The spelling of 16105409079 in words is "sixteen billion, one hundred five million, four hundred nine thousand, seventy-nine".