16116601 has 2 divisors, whose sum is σ = 16116602. Its totient is φ = 16116600.

The previous prime is 16116599. The next prime is 16116613. The reversal of 16116601 is 10661161.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15808576 + 308025 = 3976^2 + 555^2 .

It is a cyclic number.

It is not a de Polignac number, because 16116601 - 2¹ = 16116599 is a prime.

Together with 16116599, it forms a pair of twin primes.

It is equal to p_1038118 and since 16116601 and 1038118 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (16114601) 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 as a sum of consecutive naturals, namely, 8058300 + 8058301.

It is an arithmetic number, because the mean of its divisors is an integer number (8058301).

Almost surely, 2^16116601 is an apocalyptic number.

It is an amenable number.

16116601 is a deficient number, since it is larger than the sum of its proper divisors (1).

16116601 is an equidigital number, since it uses as much as digits as its factorization.

16116601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 16116601 is about 4014.5486670359. The cubic root of 16116601 is about 252.5948459164.

Adding to 16116601 its reverse (10661161), we get a palindrome (26777762).

The spelling of 16116601 in words is "sixteen million, one hundred sixteen thousand, six hundred one".