16027171129 has 2 divisors, whose sum is σ = 16027171130. Its totient is φ = 16027171128.

The previous prime is 16027171123. The next prime is 16027171157. The reversal of 16027171129 is 92117172061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12851623225 + 3175547904 = 113365^2 + 56352^2 .

It is a cyclic number.

It is not a de Polignac number, because 16027171129 - 2⁹ = 16027170617 is a prime.

It is a super-2 number, since 2×16027171129² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16027171123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8013585564 + 8013585565.

It is an arithmetic number, because the mean of its divisors is an integer number (8013585565).

Almost surely, 2^16027171129 is an apocalyptic number.

It is an amenable number.

16027171129 is a deficient number, since it is larger than the sum of its proper divisors (1).

16027171129 is an equidigital number, since it uses as much as digits as its factorization.

16027171129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 37.

The spelling of 16027171129 in words is "sixteen billion, twenty-seven million, one hundred seventy-one thousand, one hundred twenty-nine".