16698422456 has 8 divisors (see below), whose sum is σ = 31309542120. Its totient is φ = 8349211224.

The previous prime is 16698422413. The next prime is 16698422467. The reversal of 16698422456 is 65422489661.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 16698422398 and 16698422407.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1043651396 + ... + 1043651411.

It is an arithmetic number, because the mean of its divisors is an integer number (3913692765).

Almost surely, 2^16698422456 is an apocalyptic number.

It is an amenable number.

16698422456 is a deficient number, since it is larger than the sum of its proper divisors (14611119664).

16698422456 is a wasteful number, since it uses less digits than its factorization.

16698422456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087302813 (or 2087302809 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 53.

The spelling of 16698422456 in words is "sixteen billion, six hundred ninety-eight million, four hundred twenty-two thousand, four hundred fifty-six".