16211427 has 12 divisors (see below), whose sum is σ = 22814280. Its totient is φ = 10238112.

The previous prime is 16211417. The next prime is 16211449. The reversal of 16211427 is 72411261.

It is not a de Polignac number, because 16211427 - 2⁴ = 16211411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16211397 and 16211406.

It is not an unprimeable number, because it can be changed into a prime (16211417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6402 + ... + 8567.

It is an arithmetic number, because the mean of its divisors is an integer number (1901190).

Almost surely, 2^16211427 is an apocalyptic number.

16211427 is a deficient number, since it is larger than the sum of its proper divisors (6602853).

16211427 is a wasteful number, since it uses less digits than its factorization.

16211427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15010 (or 14991 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 16211427 is about 4026.3416397519. The cubic root of 16211427 is about 253.0892788489.

Adding to 16211427 its reverse (72411261), we get a palindrome (88622688).

The spelling of 16211427 in words is "sixteen million, two hundred eleven thousand, four hundred twenty-seven".