16227625068397 has 2 divisors, whose sum is σ = 16227625068398. Its totient is φ = 16227625068396.

The previous prime is 16227625068383. The next prime is 16227625068509. The reversal of 16227625068397 is 79386052672261.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12741715758916 + 3485909309481 = 3569554^2 + 1867059^2 .

It is a cyclic number.

It is not a de Polignac number, because 16227625068397 - 2⁴³ = 7431532046189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16227625060397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8113812534198 + 8113812534199.

It is an arithmetic number, because the mean of its divisors is an integer number (8113812534199).

Almost surely, 2^{16227625068397} is an apocalyptic number.

It is an amenable number.

16227625068397 is a deficient number, since it is larger than the sum of its proper divisors (1).

16227625068397 is an equidigital number, since it uses as much as digits as its factorization.

16227625068397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 91445760, while the sum is 64.

The spelling of 16227625068397 in words is "sixteen trillion, two hundred twenty-seven billion, six hundred twenty-five million, sixty-eight thousand, three hundred ninety-seven".