16069447872 has 56 divisors (see below), whose sum is σ = 47241206000. Its totient is φ = 5356482048.

The previous prime is 16069447861. The next prime is 16069447939. The reversal of 16069447872 is 27874496061.

16069447872 is a `hidden beast` number, since 1 + 60 + 69 + 447 + 87 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4647997 + ... + 4651452.

Almost surely, 2^16069447872 is an apocalyptic number.

16069447872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16069447872 is an abundant number, since it is smaller than the sum of its proper divisors (31171758128).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16069447872 is an equidigital number, since it uses as much as digits as its factorization.

16069447872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9299470 (or 9299454 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 16069447872 in words is "sixteen billion, sixty-nine million, four hundred forty-seven thousand, eight hundred seventy-two".