16811688046 has 8 divisors (see below), whose sum is σ = 25345540440. Its totient is φ = 8363174568.

The previous prime is 16811688043. The next prime is 16811688067. The reversal of 16811688046 is 64088611861.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16811688041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21334236 + ... + 21335023.

It is an arithmetic number, because the mean of its divisors is an integer number (3168192555).

Almost surely, 2^16811688046 is an apocalyptic number.

16811688046 is a deficient number, since it is larger than the sum of its proper divisors (8533852394).

16811688046 is a wasteful number, since it uses less digits than its factorization.

16811688046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42669458.

The product of its (nonzero) digits is 442368, while the sum is 49.

The spelling of 16811688046 in words is "sixteen billion, eight hundred eleven million, six hundred eighty-eight thousand, forty-six".