16274555172641 has 2 divisors, whose sum is σ = 16274555172642. Its totient is φ = 16274555172640.

The previous prime is 16274555172593. The next prime is 16274555172643. The reversal of 16274555172641 is 14627155547261.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13306846101025 + 2967709071616 = 3647855^2 + 1722704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16274555172641 is a prime.

It is a super-2 number, since 2×16274555172641² (a number of 27 digits) contains 22 as substring.

Together with 16274555172643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16274555172643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8137277586320 + 8137277586321.

It is an arithmetic number, because the mean of its divisors is an integer number (8137277586321).

Almost surely, 2^{16274555172641} is an apocalyptic number.

It is an amenable number.

16274555172641 is a deficient number, since it is larger than the sum of its proper divisors (1).

16274555172641 is an equidigital number, since it uses as much as digits as its factorization.

16274555172641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112000, while the sum is 56.

The spelling of 16274555172641 in words is "sixteen trillion, two hundred seventy-four billion, five hundred fifty-five million, one hundred seventy-two thousand, six hundred forty-one".