16700556667 has 8 divisors (see below), whose sum is σ = 16722966960. Its totient is φ = 16678164480.

The previous prime is 16700556647. The next prime is 16700556707. The reversal of 16700556667 is 76665500761.

It is a happy number.

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 16700556667 - 2¹⁵ = 16700523899 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 16700556667.

It is not an unprimeable number, because it can be changed into a prime (16700556617) 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, 2996059 + ... + 3001627.

It is an arithmetic number, because the mean of its divisors is an integer number (2090370870).

Almost surely, 2^16700556667 is an apocalyptic number.

16700556667 is a deficient number, since it is larger than the sum of its proper divisors (22410293).

16700556667 is a wasteful number, since it uses less digits than its factorization.

16700556667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9053.

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 16700556667 in words is "sixteen billion, seven hundred million, five hundred fifty-six thousand, six hundred sixty-seven".