16647269012 has 12 divisors (see below), whose sum is σ = 31781150016. Its totient is φ = 7566940440.

The previous prime is 16647268973. The next prime is 16647269017. The reversal of 16647269012 is 21096274661.

It is a super-2 number, since 2×16647269012² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 378347023 = 16647269012 / (1 + 6 + 6 + 4 + 7 + 2 + 6 + 9 + 0 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16647269017) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 189173468 + ... + 189173555.

It is an arithmetic number, because the mean of its divisors is an integer number (2648429168).

Almost surely, 2^16647269012 is an apocalyptic number.

It is an amenable number.

16647269012 is a deficient number, since it is larger than the sum of its proper divisors (15133881004).

16647269012 is a wasteful number, since it uses less digits than its factorization.

16647269012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378347038 (or 378347036 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 44.

The spelling of 16647269012 in words is "sixteen billion, six hundred forty-seven million, two hundred sixty-nine thousand, twelve".