163087255547 has 2 divisors, whose sum is σ = 163087255548. Its totient is φ = 163087255546.

The previous prime is 163087255523. The next prime is 163087255549. The reversal of 163087255547 is 745552780361.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 163087255547 - 2¹² = 163087251451 is a prime.

Together with 163087255549, 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 (163087255549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81543627773 + 81543627774.

It is an arithmetic number, because the mean of its divisors is an integer number (81543627774).

Almost surely, 2^163087255547 is an apocalyptic number.

163087255547 is a deficient number, since it is larger than the sum of its proper divisors (1).

163087255547 is an equidigital number, since it uses as much as digits as its factorization.

163087255547 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056000, while the sum is 53.

The spelling of 163087255547 in words is "one hundred sixty-three billion, eighty-seven million, two hundred fifty-five thousand, five hundred forty-seven".