16325967905 has 16 divisors (see below), whose sum is σ = 21103531344. Its totient is φ = 12053038080.

The previous prime is 16325967887. The next prime is 16325967907. The reversal of 16325967905 is 50976952361.

It can be written as a sum of positive squares in 8 ways, for example, as 1698758656 + 14627209249 = 41216^2 + 120943^2 .

It is a de Polignac number, because none of the positive numbers 2^k-16325967905 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16325967907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244325 + ... + 303885.

It is an arithmetic number, because the mean of its divisors is an integer number (1318970709).

Almost surely, 2^16325967905 is an apocalyptic number.

It is an amenable number.

16325967905 is a deficient number, since it is larger than the sum of its proper divisors (4777563439).

16325967905 is a wasteful number, since it uses less digits than its factorization.

16325967905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63796.

The product of its (nonzero) digits is 3061800, while the sum is 53.

The spelling of 16325967905 in words is "sixteen billion, three hundred twenty-five million, nine hundred sixty-seven thousand, nine hundred five".