16678433207 has 16 divisors (see below), whose sum is σ = 17368722432. Its totient is φ = 16002623520.

The previous prime is 16678433201. The next prime is 16678433227. The reversal of 16678433207 is 70233487661.

It is a cyclic number.

It is not a de Polignac number, because 16678433207 - 2⁸ = 16678432951 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16678433201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4748582 + ... + 4752092.

It is an arithmetic number, because the mean of its divisors is an integer number (1085545152).

Almost surely, 2^16678433207 is an apocalyptic number.

16678433207 is a deficient number, since it is larger than the sum of its proper divisors (690289225).

16678433207 is a wasteful number, since it uses less digits than its factorization.

16678433207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518.

The product of its (nonzero) digits is 1016064, while the sum is 47.

It can be divided in two parts, 166784 and 33207, that added together give a palindrome (199991).

The spelling of 16678433207 in words is "sixteen billion, six hundred seventy-eight million, four hundred thirty-three thousand, two hundred seven".