16152122009 has 2 divisors, whose sum is σ = 16152122010. Its totient is φ = 16152122008.

The previous prime is 16152122003. The next prime is 16152122023. The reversal of 16152122009 is 90022125161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15944617984 + 207504025 = 126272^2 + 14405^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16152122009 is a prime.

It is not a weakly prime, because it can be changed into another prime (16152122003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8076061004 + 8076061005.

It is an arithmetic number, because the mean of its divisors is an integer number (8076061005).

Almost surely, 2^16152122009 is an apocalyptic number.

It is an amenable number.

16152122009 is a deficient number, since it is larger than the sum of its proper divisors (1).

16152122009 is an equidigital number, since it uses as much as digits as its factorization.

16152122009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 16152122009 in words is "sixteen billion, one hundred fifty-two million, one hundred twenty-two thousand, nine".