551056161671 has 2 divisors, whose sum is σ = 551056161672. Its totient is φ = 551056161670.

The previous prime is 551056161653. The next prime is 551056161707. The reversal of 551056161671 is 176161650155.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 551056161671 - 2³⁸ = 276178254727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (551056161611) 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, 275528080835 + 275528080836.

It is an arithmetic number, because the mean of its divisors is an integer number (275528080836).

Almost surely, 2^551056161671 is an apocalyptic number.

551056161671 is a deficient number, since it is larger than the sum of its proper divisors (1).

551056161671 is an equidigital number, since it uses as much as digits as its factorization.

551056161671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 44.

The spelling of 551056161671 in words is "five hundred fifty-one billion, fifty-six million, one hundred sixty-one thousand, six hundred seventy-one".