16727436157 has 2 divisors, whose sum is σ = 16727436158. Its totient is φ = 16727436156.

The previous prime is 16727436119. The next prime is 16727436199. The reversal of 16727436157 is 75163472761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16186455076 + 540981081 = 127226^2 + 23259^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16727436157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16727436157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16727536157) 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, 8363718078 + 8363718079.

It is an arithmetic number, because the mean of its divisors is an integer number (8363718079).

Almost surely, 2^16727436157 is an apocalyptic number.

It is an amenable number.

16727436157 is a deficient number, since it is larger than the sum of its proper divisors (1).

16727436157 is an equidigital number, since it uses as much as digits as its factorization.

16727436157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 49.

The spelling of 16727436157 in words is "sixteen billion, seven hundred twenty-seven million, four hundred thirty-six thousand, one hundred fifty-seven".