16122165656 has 16 divisors (see below), whose sum is σ = 30239467440. Its totient is φ = 8058307680.

The previous prime is 16122165643. The next prime is 16122165667. The reversal of 16122165656 is 65656122161.

16122165656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 322100 + ... + 368771.

It is an arithmetic number, because the mean of its divisors is an integer number (1889966715).

Almost surely, 2^16122165656 is an apocalyptic number.

It is an amenable number.

16122165656 is a deficient number, since it is larger than the sum of its proper divisors (14117301784).

16122165656 is a wasteful number, since it uses less digits than its factorization.

16122165656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693794 (or 693790 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The spelling of 16122165656 in words is "sixteen billion, one hundred twenty-two million, one hundred sixty-five thousand, six hundred fifty-six".