16121042573 has 2 divisors, whose sum is σ = 16121042574. Its totient is φ = 16121042572.

The previous prime is 16121042471. The next prime is 16121042599. The reversal of 16121042573 is 37524012161.

16121042573 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10220805604 + 5900236969 = 101098^2 + 76813^2 .

It is a cyclic number.

It is not a de Polignac number, because 16121042573 - 2³² = 11826075277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16121042173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8060521286 + 8060521287.

It is an arithmetic number, because the mean of its divisors is an integer number (8060521287).

Almost surely, 2^16121042573 is an apocalyptic number.

It is an amenable number.

16121042573 is a deficient number, since it is larger than the sum of its proper divisors (1).

16121042573 is an equidigital number, since it uses as much as digits as its factorization.

16121042573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 16121042573 in words is "sixteen billion, one hundred twenty-one million, forty-two thousand, five hundred seventy-three".