16068220136 has 16 divisors (see below), whose sum is σ = 30129264900. Its totient is φ = 8033749504.

The previous prime is 16068220121. The next prime is 16068220159. The reversal of 16068220136 is 63102286061.

It can be written as a sum of positive squares in 2 ways, for example, as 15828156100 + 240064036 = 125810^2 + 15494^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16068220096 and 16068220105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297386 + ... + 347238.

Almost surely, 2^16068220136 is an apocalyptic number.

It is an amenable number.

16068220136 is a deficient number, since it is larger than the sum of its proper divisors (14061044764).

16068220136 is a wasteful number, since it uses less digits than its factorization.

16068220136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90148 (or 90144 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 16068220136 in words is "sixteen billion, sixty-eight million, two hundred twenty thousand, one hundred thirty-six".