16018775212 has 18 divisors (see below), whose sum is σ = 30812975564. Its totient is φ = 7281261240.

The previous prime is 16018775197. The next prime is 16018775231. The reversal of 16018775212 is 21257781061.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16547838 + ... + 16548805.

Almost surely, 2^16018775212 is an apocalyptic number.

It is an amenable number.

16018775212 is a deficient number, since it is larger than the sum of its proper divisors (14794200352).

16018775212 is a wasteful number, since it uses less digits than its factorization.

16018775212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33096669 (or 33096656 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 40.

The spelling of 16018775212 in words is "sixteen billion, eighteen million, seven hundred seventy-five thousand, two hundred twelve".