16211027 has 4 divisors (see below), whose sum is σ = 18526896. Its totient is φ = 13895160.

The previous prime is 16211023. The next prime is 16211033. The reversal of 16211027 is 72011261.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16211027 - 2² = 16211023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16211023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157924 + ... + 1157937.

It is an arithmetic number, because the mean of its divisors is an integer number (4631724).

Almost surely, 2^16211027 is an apocalyptic number.

16211027 is a deficient number, since it is larger than the sum of its proper divisors (2315869).

16211027 is an equidigital number, since it uses as much as digits as its factorization.

16211027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2315868.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 16211027 is about 4026.2919665618. The cubic root of 16211027 is about 253.0871972607.

Adding to 16211027 its reverse (72011261), we get a palindrome (88222288).

The spelling of 16211027 in words is "sixteen million, two hundred eleven thousand, twenty-seven".