21416035885 has 16 divisors (see below), whose sum is σ = 26859191040. Its totient is φ = 16361896320.

The previous prime is 21416035867. The next prime is 21416035891. The reversal of 21416035885 is 58853061412.

It is not a de Polignac number, because 21416035885 - 2⁵ = 21416035853 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75000 + ... + 220129.

It is an arithmetic number, because the mean of its divisors is an integer number (1678699440).

Almost surely, 2^21416035885 is an apocalyptic number.

It is an amenable number.

21416035885 is a deficient number, since it is larger than the sum of its proper divisors (5443155155).

21416035885 is a wasteful number, since it uses less digits than its factorization.

21416035885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295788.

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 21416035885 in words is "twenty-one billion, four hundred sixteen million, thirty-five thousand, eight hundred eighty-five".