16436090879 has 4 divisors (see below), whose sum is σ = 17700405576. Its totient is φ = 15171776184.

The previous prime is 16436090861. The next prime is 16436090887. The reversal of 16436090879 is 97809063461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16436090879 - 2⁸ = 16436090623 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 16436090879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16436090479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632157329 + ... + 632157354.

It is an arithmetic number, because the mean of its divisors is an integer number (4425101394).

Almost surely, 2^16436090879 is an apocalyptic number.

16436090879 is a deficient number, since it is larger than the sum of its proper divisors (1264314697).

16436090879 is a wasteful number, since it uses less digits than its factorization.

16436090879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264314696.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The spelling of 16436090879 in words is "sixteen billion, four hundred thirty-six million, ninety thousand, eight hundred seventy-nine".