16541407 has 2 divisors, whose sum is σ = 16541408. Its totient is φ = 16541406.

The previous prime is 16541389. The next prime is 16541423. The reversal of 16541407 is 70414561.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16541407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16547407) 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, 8270703 + 8270704.

It is an arithmetic number, because the mean of its divisors is an integer number (8270704).

Almost surely, 2^16541407 is an apocalyptic number.

16541407 is a deficient number, since it is larger than the sum of its proper divisors (1).

16541407 is an equidigital number, since it uses as much as digits as its factorization.

16541407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 16541407 is about 4067.1128580358. The cubic root of 16541407 is about 254.7949498591.

Adding to 16541407 its reverse (70414561), we get a palindrome (86955968).

The spelling of 16541407 in words is "sixteen million, five hundred forty-one thousand, four hundred seven".