21076216159 has 2 divisors, whose sum is σ = 21076216160. Its totient is φ = 21076216158.

The previous prime is 21076216103. The next prime is 21076216169. The reversal of 21076216159 is 95161267012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21076216159 - 2¹⁵ = 21076183391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21076216169) 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 as a sum of consecutive naturals, namely, 10538108079 + 10538108080.

It is an arithmetic number, because the mean of its divisors is an integer number (10538108080).

Almost surely, 2^21076216159 is an apocalyptic number.

21076216159 is a deficient number, since it is larger than the sum of its proper divisors (1).

21076216159 is an equidigital number, since it uses as much as digits as its factorization.

21076216159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 21076216159 in words is "twenty-one billion, seventy-six million, two hundred sixteen thousand, one hundred fifty-nine".