271721968554 has 16 divisors (see below), whose sum is σ = 543449917440. Its totient is φ = 90572992800.

The previous prime is 271721968549. The next prime is 271721968589. The reversal of 271721968554 is 455869127172.

It is a junction number, because it is equal to n+sod(n) for n = 271721968494 and 271721968503.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527902 + ... + 906710.

It is an arithmetic number, because the mean of its divisors is an integer number (33965619840).

Almost surely, 2^271721968554 is an apocalyptic number.

271721968554 is an abundant number, since it is smaller than the sum of its proper divisors (271727948886).

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

271721968554 is a wasteful number, since it uses less digits than its factorization.

271721968554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498365.

The product of its digits is 8467200, while the sum is 57.

The spelling of 271721968554 in words is "two hundred seventy-one billion, seven hundred twenty-one million, nine hundred sixty-eight thousand, five hundred fifty-four".