16692641 has 8 divisors (see below), whose sum is σ = 19906944. Its totient is φ = 13685760.

The previous prime is 16692631. The next prime is 16692653. The reversal of 16692641 is 14629661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16692641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16692631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51680 + ... + 52001.

It is an arithmetic number, because the mean of its divisors is an integer number (2488368).

Almost surely, 2^16692641 is an apocalyptic number.

It is an amenable number.

16692641 is a deficient number, since it is larger than the sum of its proper divisors (3214303).

16692641 is a wasteful number, since it uses less digits than its factorization.

16692641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103711.

The product of its digits is 15552, while the sum is 35.

The square root of 16692641 is about 4085.6628593167. The cubic root of 16692641 is about 255.5691044346.

The spelling of 16692641 in words is "sixteen million, six hundred ninety-two thousand, six hundred forty-one".