16551341 has 2 divisors, whose sum is σ = 16551342. Its totient is φ = 16551340.

The previous prime is 16551287. The next prime is 16551343. The reversal of 16551341 is 14315561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13293316 + 3258025 = 3646^2 + 1805^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16551341 is a prime.

Together with 16551343, it forms a pair of twin primes.

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 16551341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16551343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8275670 + 8275671.

It is an arithmetic number, because the mean of its divisors is an integer number (8275671).

Almost surely, 2^16551341 is an apocalyptic number.

It is an amenable number.

16551341 is a deficient number, since it is larger than the sum of its proper divisors (1).

16551341 is an equidigital number, since it uses as much as digits as its factorization.

16551341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 26.

The square root of 16551341 is about 4068.3339341799. Note that the first 3 decimals coincide. The cubic root of 16551341 is about 254.8459456522.

The spelling of 16551341 in words is "sixteen million, five hundred fifty-one thousand, three hundred forty-one".