21160843814 has 32 divisors (see below), whose sum is σ = 34984807200. Its totient is φ = 9519596800.

The previous prime is 21160843807. The next prime is 21160843817. The reversal of 21160843814 is 41834806112.

21160843814 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160843817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909632 + ... + 932604.

It is an arithmetic number, because the mean of its divisors is an integer number (1093275225).

Almost surely, 2^21160843814 is an apocalyptic number.

21160843814 is a deficient number, since it is larger than the sum of its proper divisors (13823963386).

21160843814 is a wasteful number, since it uses less digits than its factorization.

21160843814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23416.

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 21160843814 in words is "twenty-one billion, one hundred sixty million, eight hundred forty-three thousand, eight hundred fourteen".