16417078427951 has 2 divisors, whose sum is σ = 16417078427952. Its totient is φ = 16417078427950.

The previous prime is 16417078427947. The next prime is 16417078427993. The reversal of 16417078427951 is 15972487071461.

It is a happy number.

16417078427951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (15972487071461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16417078427951 - 2² = 16417078427947 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16417078427941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8208539213975 + 8208539213976.

It is an arithmetic number, because the mean of its divisors is an integer number (8208539213976).

Almost surely, 2^{16417078427951} is an apocalyptic number.

16417078427951 is a deficient number, since it is larger than the sum of its proper divisors (1).

16417078427951 is an equidigital number, since it uses as much as digits as its factorization.

16417078427951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23708160, while the sum is 62.

The spelling of 16417078427951 in words is "sixteen trillion, four hundred seventeen billion, seventy-eight million, four hundred twenty-seven thousand, nine hundred fifty-one".