16923416 has 8 divisors (see below), whose sum is σ = 31731420. Its totient is φ = 8461704.

The previous prime is 16923391. The next prime is 16923437. The reversal of 16923416 is 61432961.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1057706 + ... + 1057721.

Almost surely, 2^16923416 is an apocalyptic number.

It is an amenable number.

16923416 is a deficient number, since it is larger than the sum of its proper divisors (14808004).

16923416 is a wasteful number, since it uses less digits than its factorization.

16923416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115433 (or 2115429 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 16923416 is about 4113.8079682941. The cubic root of 16923416 is about 256.7414620570.

The spelling of 16923416 in words is "sixteen million, nine hundred twenty-three thousand, four hundred sixteen".