16791427 has 8 divisors (see below), whose sum is σ = 18213552. Its totient is φ = 15417600.

The previous prime is 16791419. The next prime is 16791433. The reversal of 16791427 is 72419761.

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 16791427 - 2³ = 16791419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16791227) 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, 11349 + ... + 12742.

It is an arithmetic number, because the mean of its divisors is an integer number (2276694).

Almost surely, 2^16791427 is an apocalyptic number.

16791427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16791427 is a deficient number, since it is larger than the sum of its proper divisors (1422125).

16791427 is a wasteful number, since it uses less digits than its factorization.

16791427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24149.

The product of its digits is 21168, while the sum is 37.

The square root of 16791427 is about 4097.7343740169. The cubic root of 16791427 is about 256.0722604851.

The spelling of 16791427 in words is "sixteen million, seven hundred ninety-one thousand, four hundred twenty-seven".