16167600161 has 2 divisors, whose sum is σ = 16167600162. Its totient is φ = 16167600160.

The previous prime is 16167600131. The next prime is 16167600167. The reversal of 16167600161 is 16100676161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11638310161 + 4529290000 = 107881^2 + 67300^2 .

It is an emirp because it is prime and its reverse (16100676161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16167600161 - 2²² = 16163405857 is a prime.

It is a super-2 number, since 2×16167600161² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (16167600167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8083800080 + 8083800081.

It is an arithmetic number, because the mean of its divisors is an integer number (8083800081).

Almost surely, 2^16167600161 is an apocalyptic number.

It is an amenable number.

16167600161 is a deficient number, since it is larger than the sum of its proper divisors (1).

16167600161 is an equidigital number, since it uses as much as digits as its factorization.

16167600161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The spelling of 16167600161 in words is "sixteen billion, one hundred sixty-seven million, six hundred thousand, one hundred sixty-one".