21160316143 has 12 divisors (see below), whose sum is σ = 22483636200. Its totient is φ = 19910828672.

The previous prime is 21160316119. The next prime is 21160316173. The reversal of 21160316143 is 34161306112.

It is not a de Polignac number, because 21160316143 - 2¹⁷ = 21160185071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21160316113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1988505 + ... + 1999117.

It is an arithmetic number, because the mean of its divisors is an integer number (1873636350).

Almost surely, 2^21160316143 is an apocalyptic number.

21160316143 is a deficient number, since it is larger than the sum of its proper divisors (1323320057).

21160316143 is a wasteful number, since it uses less digits than its factorization.

21160316143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17546 (or 17529 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 21160316143 in words is "twenty-one billion, one hundred sixty million, three hundred sixteen thousand, one hundred forty-three".