16123856107 has 2 divisors, whose sum is σ = 16123856108. Its totient is φ = 16123856106.

The previous prime is 16123856053. The next prime is 16123856113. The reversal of 16123856107 is 70165832161.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (70165832161) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16123856107 - 2²³ = 16115467499 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 16123856107.

It is not a weakly prime, because it can be changed into another prime (16123856117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8061928053 + 8061928054.

It is an arithmetic number, because the mean of its divisors is an integer number (8061928054).

Almost surely, 2^16123856107 is an apocalyptic number.

16123856107 is a deficient number, since it is larger than the sum of its proper divisors (1).

16123856107 is an equidigital number, since it uses as much as digits as its factorization.

16123856107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 16123856107 in words is "sixteen billion, one hundred twenty-three million, eight hundred fifty-six thousand, one hundred seven".