16123876177 has 2 divisors, whose sum is σ = 16123876178. Its totient is φ = 16123876176.

The previous prime is 16123876157. The next prime is 16123876189. The reversal of 16123876177 is 77167832161.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16096250641 + 27625536 = 126871^2 + 5256^2 .

It is a cyclic number.

It is not a de Polignac number, because 16123876177 - 2¹⁹ = 16123351889 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16123876177.

It is not a weakly prime, because it can be changed into another prime (16123876157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8061938088 + 8061938089.

It is an arithmetic number, because the mean of its divisors is an integer number (8061938089).

Almost surely, 2^16123876177 is an apocalyptic number.

It is an amenable number.

16123876177 is a deficient number, since it is larger than the sum of its proper divisors (1).

16123876177 is an equidigital number, since it uses as much as digits as its factorization.

16123876177 is an evil number, because the sum of its binary digits is even.

The product of its digits is 592704, while the sum is 49.

The spelling of 16123876177 in words is "sixteen billion, one hundred twenty-three million, eight hundred seventy-six thousand, one hundred seventy-seven".