16358611121 has 2 divisors, whose sum is σ = 16358611122. Its totient is φ = 16358611120.

The previous prime is 16358611081. The next prime is 16358611151. The reversal of 16358611121 is 12111685361.

16358611121 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., 8928171121 + 7430440000 = 94489^2 + 86200^2 .

It is an emirp because it is prime and its reverse (12111685361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16358611121 - 2²² = 16354416817 is a prime.

It is not a weakly prime, because it can be changed into another prime (16358611151) 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, 8179305560 + 8179305561.

It is an arithmetic number, because the mean of its divisors is an integer number (8179305561).

Almost surely, 2^16358611121 is an apocalyptic number.

It is an amenable number.

16358611121 is a deficient number, since it is larger than the sum of its proper divisors (1).

16358611121 is an equidigital number, since it uses as much as digits as its factorization.

16358611121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 35.

The spelling of 16358611121 in words is "sixteen billion, three hundred fifty-eight million, six hundred eleven thousand, one hundred twenty-one".