16923209044 has 48 divisors (see below), whose sum is σ = 34351905280. Its totient is φ = 7144899840.

The previous prime is 16923209029. The next prime is 16923209117. The reversal of 16923209044 is 44090232961.

It is a junction number, because it is equal to n+sod(n) for n = 16923208988 and 16923209006.

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 in 15 ways as a sum of consecutive naturals, for example, 1002514 + ... + 1019254.

Almost surely, 2^16923209044 is an apocalyptic number.

16923209044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16923209044 is an abundant number, since it is smaller than the sum of its proper divisors (17428696236).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16923209044 is a wasteful number, since it uses less digits than its factorization.

16923209044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17288 (or 17286 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The spelling of 16923209044 in words is "sixteen billion, nine hundred twenty-three million, two hundred nine thousand, forty-four".