16368461 has 2 divisors, whose sum is σ = 16368462. Its totient is φ = 16368460.

The previous prime is 16368397. The next prime is 16368487. The reversal of 16368461 is 16486361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14394436 + 1974025 = 3794^2 + 1405^2 .

It is a cyclic number.

It is not a de Polignac number, because 16368461 - 2⁶ = 16368397 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16368491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8184230 + 8184231.

It is an arithmetic number, because the mean of its divisors is an integer number (8184231).

Almost surely, 2^16368461 is an apocalyptic number.

It is an amenable number.

16368461 is a deficient number, since it is larger than the sum of its proper divisors (1).

16368461 is an equidigital number, since it uses as much as digits as its factorization.

16368461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 35.

The square root of 16368461 is about 4045.7954718448. The cubic root of 16368461 is about 253.9038479138.

The spelling of 16368461 in words is "sixteen million, three hundred sixty-eight thousand, four hundred sixty-one".