16442827 has 2 divisors, whose sum is σ = 16442828. Its totient is φ = 16442826.

The previous prime is 16442821. The next prime is 16442849. The reversal of 16442827 is 72824461.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (72824461) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16442827 is a prime.

It is a super-3 number, since 3×16442827³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16442792 and 16442801.

It is not a weakly prime, because it can be changed into another prime (16442821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8221413 + 8221414.

It is an arithmetic number, because the mean of its divisors is an integer number (8221414).

Almost surely, 2^16442827 is an apocalyptic number.

16442827 is a deficient number, since it is larger than the sum of its proper divisors (1).

16442827 is an equidigital number, since it uses as much as digits as its factorization.

16442827 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21504, while the sum is 34.

The square root of 16442827 is about 4054.9755856232. The cubic root of 16442827 is about 254.2877832266.

The spelling of 16442827 in words is "sixteen million, four hundred forty-two thousand, eight hundred twenty-seven".