21162107260627 has 2 divisors, whose sum is σ = 21162107260628. Its totient is φ = 21162107260626.

The previous prime is 21162107260607. The next prime is 21162107260643. The reversal of 21162107260627 is 72606270126112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21162107260627 - 2¹⁹ = 21162106736339 is a prime.

It is not a weakly prime, because it can be changed into another prime (21162107260607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10581053630313 + 10581053630314.

It is an arithmetic number, because the mean of its divisors is an integer number (10581053630314).

Almost surely, 2^{21162107260627} is an apocalyptic number.

21162107260627 is a deficient number, since it is larger than the sum of its proper divisors (1).

21162107260627 is an equidigital number, since it uses as much as digits as its factorization.

21162107260627 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 43.

Adding to 21162107260627 its reverse (72606270126112), we get a palindrome (93768377386739).

The spelling of 21162107260627 in words is "twenty-one trillion, one hundred sixty-two billion, one hundred seven million, two hundred sixty thousand, six hundred twenty-seven".