16027171157 has 2 divisors, whose sum is σ = 16027171158. Its totient is φ = 16027171156.

The previous prime is 16027171129. The next prime is 16027171159. The reversal of 16027171157 is 75117172061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15003555121 + 1023616036 = 122489^2 + 31994^2 .

It is a cyclic number.

It is not a de Polignac number, because 16027171157 - 2⁶ = 16027171093 is a prime.

Together with 16027171159, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16027171157.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16027171159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8013585578 + 8013585579.

It is an arithmetic number, because the mean of its divisors is an integer number (8013585579).

Almost surely, 2^16027171157 is an apocalyptic number.

It is an amenable number.

16027171157 is a deficient number, since it is larger than the sum of its proper divisors (1).

16027171157 is an equidigital number, since it uses as much as digits as its factorization.

16027171157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580, while the sum is 38.

The spelling of 16027171157 in words is "sixteen billion, twenty-seven million, one hundred seventy-one thousand, one hundred fifty-seven".