16601093 has 2 divisors, whose sum is σ = 16601094. Its totient is φ = 16601092.

The previous prime is 16601069. The next prime is 16601099. The reversal of 16601093 is 39010661.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15856324 + 744769 = 3982^2 + 863^2 .

It is an emirp because it is prime and its reverse (39010661) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16601093 - 2⁶ = 16601029 is a prime.

It is a zygodrome in base 4.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16601099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8300546 + 8300547.

It is an arithmetic number, because the mean of its divisors is an integer number (8300547).

Almost surely, 2^16601093 is an apocalyptic number.

It is an amenable number.

16601093 is a deficient number, since it is larger than the sum of its proper divisors (1).

16601093 is an equidigital number, since it uses as much as digits as its factorization.

16601093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 16601093 is about 4074.4438884343. The cubic root of 16601093 is about 255.1010390320.

The spelling of 16601093 in words is "sixteen million, six hundred one thousand, ninety-three".