16168936829 has 2 divisors, whose sum is σ = 16168936830. Its totient is φ = 16168936828.

The previous prime is 16168936799. The next prime is 16168936837. The reversal of 16168936829 is 92863986161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14172902500 + 1996034329 = 119050^2 + 44677^2 .

It is a cyclic number.

It is not a de Polignac number, because 16168936829 - 2²⁴ = 16152159613 is a prime.

It is a super-2 number, since 2×16168936829² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16168966829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8084468414 + 8084468415.

It is an arithmetic number, because the mean of its divisors is an integer number (8084468415).

Almost surely, 2^16168936829 is an apocalyptic number.

It is an amenable number.

16168936829 is a deficient number, since it is larger than the sum of its proper divisors (1).

16168936829 is an equidigital number, since it uses as much as digits as its factorization.

16168936829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6718464, while the sum is 59.

The spelling of 16168936829 in words is "sixteen billion, one hundred sixty-eight million, nine hundred thirty-six thousand, eight hundred twenty-nine".