16477655050399 has 2 divisors, whose sum is σ = 16477655050400. Its totient is φ = 16477655050398.

The previous prime is 16477655050349. The next prime is 16477655050427. The reversal of 16477655050399 is 99305055677461.

It is a strong prime.

It is an emirp because it is prime and its reverse (99305055677461) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 16477655050399 - 2²¹ = 16477652953247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16477655050349) 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, 8238827525199 + 8238827525200.

It is an arithmetic number, because the mean of its divisors is an integer number (8238827525200).

Almost surely, 2^{16477655050399} is an apocalyptic number.

16477655050399 is a deficient number, since it is larger than the sum of its proper divisors (1).

16477655050399 is an equidigital number, since it uses as much as digits as its factorization.

16477655050399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 214326000, while the sum is 67.

The spelling of 16477655050399 in words is "sixteen trillion, four hundred seventy-seven billion, six hundred fifty-five million, fifty thousand, three hundred ninety-nine".