16677321958 has 16 divisors (see below), whose sum is σ = 27293487120. Its totient is φ = 7579677600.

The previous prime is 16677321917. The next prime is 16677321959. The reversal of 16677321958 is 85912377661.

It is a junction number, because it is equal to n+sod(n) for n = 16677321899 and 16677321908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16677321959) 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 7 ways as a sum of consecutive naturals, for example, 158788 + ... + 242008.

It is an arithmetic number, because the mean of its divisors is an integer number (1705842945).

Almost surely, 2^16677321958 is an apocalyptic number.

16677321958 is a deficient number, since it is larger than the sum of its proper divisors (10616165162).

16677321958 is a wasteful number, since it uses less digits than its factorization.

16677321958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92343.

The product of its digits is 3810240, while the sum is 55.

The spelling of 16677321958 in words is "sixteen billion, six hundred seventy-seven million, three hundred twenty-one thousand, nine hundred fifty-eight".