16912361 has 2 divisors, whose sum is σ = 16912362. Its totient is φ = 16912360.

The previous prime is 16912351. The next prime is 16912381. The reversal of 16912361 is 16321961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15555136 + 1357225 = 3944^2 + 1165^2 .

It is an emirp because it is prime and its reverse (16321961) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16912361 - 2¹⁸ = 16650217 is a prime.

It is not a weakly prime, because it can be changed into another prime (16912321) 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, 8456180 + 8456181.

It is an arithmetic number, because the mean of its divisors is an integer number (8456181).

Almost surely, 2^16912361 is an apocalyptic number.

It is an amenable number.

16912361 is a deficient number, since it is larger than the sum of its proper divisors (1).

16912361 is an equidigital number, since it uses as much as digits as its factorization.

16912361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 29.

The square root of 16912361 is about 4112.4641031868. The cubic root of 16912361 is about 256.6855455464.

The spelling of 16912361 in words is "sixteen million, nine hundred twelve thousand, three hundred sixty-one".