21466927041116 has 12 divisors (see below), whose sum is σ = 37685630596488. Its totient is φ = 10699604013552.

The previous prime is 21466927041113. The next prime is 21466927041127. The reversal of 21466927041116 is 61114072966412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21466927041113) 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, 8464875326 + ... + 8464877861.

It is an arithmetic number, because the mean of its divisors is an integer number (3140469216374).

Almost surely, 2^{21466927041116} is an apocalyptic number.

It is an amenable number.

21466927041116 is a deficient number, since it is larger than the sum of its proper divisors (16218703555372).

21466927041116 is a wasteful number, since it uses less digits than its factorization.

21466927041116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16929753508 (or 16929753506 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 50.

The spelling of 21466927041116 in words is "twenty-one trillion, four hundred sixty-six billion, nine hundred twenty-seven million, forty-one thousand, one hundred sixteen".