16311795212 has 12 divisors (see below), whose sum is σ = 28546659456. Its totient is φ = 8155606800.

The previous prime is 16311795191. The next prime is 16311795217. The reversal of 16311795212 is 21259711361.

It is a super-2 number, since 2×16311795212² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16311795217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98078 + ... + 205530.

It is an arithmetic number, because the mean of its divisors is an integer number (2378888288).

Almost surely, 2^16311795212 is an apocalyptic number.

It is an amenable number.

16311795212 is a deficient number, since it is larger than the sum of its proper divisors (12234864244).

16311795212 is a wasteful number, since it uses less digits than its factorization.

16311795212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145408 (or 145406 counting only the distinct ones).

The product of its digits is 22680, while the sum is 38.

The spelling of 16311795212 in words is "sixteen billion, three hundred eleven million, seven hundred ninety-five thousand, two hundred twelve".