16363397 has 2 divisors, whose sum is σ = 16363398. Its totient is φ = 16363396.

The previous prime is 16363393. The next prime is 16363421. The reversal of 16363397 is 79336361.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11282881 + 5080516 = 3359^2 + 2254^2 .

It is a cyclic number.

It is not a de Polignac number, because 16363397 - 2² = 16363393 is a prime.

It is a super-2 number, since 2×16363397² = 535521522759218, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16363397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16363393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8181698 + 8181699.

It is an arithmetic number, because the mean of its divisors is an integer number (8181699).

Almost surely, 2^16363397 is an apocalyptic number.

It is an amenable number.

16363397 is a deficient number, since it is larger than the sum of its proper divisors (1).

16363397 is an equidigital number, since it uses as much as digits as its factorization.

16363397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 38.

The square root of 16363397 is about 4045.1695885340. The cubic root of 16363397 is about 253.8776613407.

The spelling of 16363397 in words is "sixteen million, three hundred sixty-three thousand, three hundred ninety-seven".