16764361 has 2 divisors, whose sum is σ = 16764362. Its totient is φ = 16764360.

The previous prime is 16764359. The next prime is 16764379. The reversal of 16764361 is 16346761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10791225 + 5973136 = 3285^2 + 2444^2 .

It is an emirp because it is prime and its reverse (16346761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16764361 - 2¹ = 16764359 is a prime.

It is a super-3 number, since 3×16764361³ (a number of 23 digits) contains 333 as substring.

Together with 16764359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16764661) 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, 8382180 + 8382181.

It is an arithmetic number, because the mean of its divisors is an integer number (8382181).

Almost surely, 2^16764361 is an apocalyptic number.

It is an amenable number.

16764361 is a deficient number, since it is larger than the sum of its proper divisors (1).

16764361 is an equidigital number, since it uses as much as digits as its factorization.

16764361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 16764361 is about 4094.4304854277. The cubic root of 16764361 is about 255.9345993823.

The spelling of 16764361 in words is "sixteen million, seven hundred sixty-four thousand, three hundred sixty-one".