16158437563 has 2 divisors, whose sum is σ = 16158437564. Its totient is φ = 16158437562.

The previous prime is 16158437527. The next prime is 16158437569. The reversal of 16158437563 is 36573485161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16158437563 - 2²⁹ = 15621566651 is a prime.

It is a super-2 number, since 2×16158437563² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16158437569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8079218781 + 8079218782.

It is an arithmetic number, because the mean of its divisors is an integer number (8079218782).

Almost surely, 2^16158437563 is an apocalyptic number.

16158437563 is a deficient number, since it is larger than the sum of its proper divisors (1).

16158437563 is an equidigital number, since it uses as much as digits as its factorization.

16158437563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1814400, while the sum is 49.

The spelling of 16158437563 in words is "sixteen billion, one hundred fifty-eight million, four hundred thirty-seven thousand, five hundred sixty-three".