16169041913 has 2 divisors, whose sum is σ = 16169041914. Its totient is φ = 16169041912.

The previous prime is 16169041909. The next prime is 16169041927. The reversal of 16169041913 is 31914096161.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15466155769 + 702886144 = 124363^2 + 26512^2 .

It is an emirp because it is prime and its reverse (31914096161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16169041913 - 2² = 16169041909 is a prime.

It is a super-2 number, since 2×16169041913² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16169041963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8084520956 + 8084520957.

It is an arithmetic number, because the mean of its divisors is an integer number (8084520957).

Almost surely, 2^16169041913 is an apocalyptic number.

It is an amenable number.

16169041913 is a deficient number, since it is larger than the sum of its proper divisors (1).

16169041913 is an equidigital number, since it uses as much as digits as its factorization.

16169041913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 41.

The spelling of 16169041913 in words is "sixteen billion, one hundred sixty-nine million, forty-one thousand, nine hundred thirteen".