16716427 has 8 divisors (see below), whose sum is σ = 20574176. Its totient is φ = 13226112.

The previous prime is 16716421. The next prime is 16716431. The reversal of 16716427 is 72461761.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16716427 - 2³ = 16716419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16716392 and 16716401.

It is not an unprimeable number, because it can be changed into a prime (16716421) 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, 91758 + ... + 91939.

It is an arithmetic number, because the mean of its divisors is an integer number (2571772).

Almost surely, 2^16716427 is an apocalyptic number.

16716427 is a deficient number, since it is larger than the sum of its proper divisors (3857749).

16716427 is a wasteful number, since it uses less digits than its factorization.

16716427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183717.

The product of its digits is 14112, while the sum is 34.

The square root of 16716427 is about 4088.5727338522. The cubic root of 16716427 is about 255.6904369750.

The spelling of 16716427 in words is "sixteen million, seven hundred sixteen thousand, four hundred twenty-seven".