21160213713 has 16 divisors (see below), whose sum is σ = 31387829760. Its totient is φ = 14089094928.

The previous prime is 21160213691. The next prime is 21160213717. The reversal of 21160213713 is 31731206112.

21160213713 is a `hidden beast` number, since 2 + 11 + 602 + 1 + 37 + 13 = 666.

It is not a de Polignac number, because 21160213713 - 2⁵ = 21160213681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (21160213717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470145 + ... + 513182.

It is an arithmetic number, because the mean of its divisors is an integer number (1961739360).

Almost surely, 2^21160213713 is an apocalyptic number.

It is an amenable number.

21160213713 is a deficient number, since it is larger than the sum of its proper divisors (10227616047).

21160213713 is an equidigital number, since it uses as much as digits as its factorization.

21160213713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984133 (or 984127 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

Adding to 21160213713 its reverse (31731206112), we get a palindrome (52891419825).

The spelling of 21160213713 in words is "twenty-one billion, one hundred sixty million, two hundred thirteen thousand, seven hundred thirteen".