16111427 has 8 divisors (see below), whose sum is σ = 17212176. Its totient is φ = 15027712.

The previous prime is 16111397. The next prime is 16111429. The reversal of 16111427 is 72411161.

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 16111427 - 2⁸ = 16111171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16111429) 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, 2273 + ... + 6114.

It is an arithmetic number, because the mean of its divisors is an integer number (2151522).

Almost surely, 2^16111427 is an apocalyptic number.

16111427 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

16111427 is a deficient number, since it is larger than the sum of its proper divisors (1100749).

16111427 is a wasteful number, since it uses less digits than its factorization.

16111427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8517.

The product of its digits is 336, while the sum is 23.

The square root of 16111427 is about 4013.9042091211. The cubic root of 16111427 is about 252.5678123913.

Adding to 16111427 its reverse (72411161), we get a palindrome (88522588).

The spelling of 16111427 in words is "sixteen million, one hundred eleven thousand, four hundred twenty-seven".