16667624444663 has 8 divisors (see below), whose sum is σ = 17404526082048. Its totient is φ = 15931741333464.

The previous prime is 16667624444621. The next prime is 16667624444693. The reversal of 16667624444663 is 36644442676661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16667624444663 - 2¹² = 16667624440567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16667624444663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16667624444693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254598095 + ... + 254663552.

It is an arithmetic number, because the mean of its divisors is an integer number (2175565760256).

Almost surely, 2^{16667624444663} is an apocalyptic number.

16667624444663 is a deficient number, since it is larger than the sum of its proper divisors (736901637385).

16667624444663 is a wasteful number, since it uses less digits than its factorization.

16667624444663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509263093.

The product of its digits is 501645312, while the sum is 65.

The spelling of 16667624444663 in words is "sixteen trillion, six hundred sixty-seven billion, six hundred twenty-four million, four hundred forty-four thousand, six hundred sixty-three".