16447326212 has 24 divisors (see below), whose sum is σ = 30518876640. Its totient is φ = 7733966400.

The previous prime is 16447326163. The next prime is 16447326221. The reversal of 16447326212 is 21262374461.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 779414 + ... + 800237.

It is an arithmetic number, because the mean of its divisors is an integer number (1271619860).

Almost surely, 2^16447326212 is an apocalyptic number.

It is an amenable number.

16447326212 is a deficient number, since it is larger than the sum of its proper divisors (14071550428).

16447326212 is a wasteful number, since it uses less digits than its factorization.

16447326212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579811 (or 1579809 counting only the distinct ones).

The product of its digits is 96768, while the sum is 38.

The spelling of 16447326212 in words is "sixteen billion, four hundred forty-seven million, three hundred twenty-six thousand, two hundred twelve".