163087255554 has 16 divisors (see below), whose sum is σ = 343341590880. Its totient is φ = 51501238560.

The previous prime is 163087255549. The next prime is 163087255567. The reversal of 163087255554 is 455552780361.

It is a junction number, because it is equal to n+sod(n) for n = 163087255497 and 163087255506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 715294867 + ... + 715295094.

It is an arithmetic number, because the mean of its divisors is an integer number (21458849430).

Almost surely, 2^163087255554 is an apocalyptic number.

163087255554 is an abundant number, since it is smaller than the sum of its proper divisors (180254335326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

163087255554 is a wasteful number, since it uses less digits than its factorization.

163087255554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430589985.

The product of its (nonzero) digits is 5040000, while the sum is 51.

The spelling of 163087255554 in words is "one hundred sixty-three billion, eighty-seven million, two hundred fifty-five thousand, five hundred fifty-four".