16234036621331 has 2 divisors, whose sum is σ = 16234036621332. Its totient is φ = 16234036621330.

The previous prime is 16234036621289. The next prime is 16234036621379. The reversal of 16234036621331 is 13312663043261.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16234036621331 - 2³⁴ = 16216856752147 is a prime.

It is a super-2 number, since 2×16234036621331² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16234036621381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8117018310665 + 8117018310666.

It is an arithmetic number, because the mean of its divisors is an integer number (8117018310666).

Almost surely, 2^{16234036621331} is an apocalyptic number.

16234036621331 is a deficient number, since it is larger than the sum of its proper divisors (1).

16234036621331 is an equidigital number, since it uses as much as digits as its factorization.

16234036621331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 41.

Adding to 16234036621331 its reverse (13312663043261), we get a palindrome (29546699664592).

The spelling of 16234036621331 in words is "sixteen trillion, two hundred thirty-four billion, thirty-six million, six hundred twenty-one thousand, three hundred thirty-one".