571166878480560 has 120 divisors (see below), whose sum is σ = 1918839227773104. Its totient is φ = 152257930007040.

The previous prime is 571166878480553. The next prime is 571166878480571. The reversal of 571166878480560 is 65084878661175.

571166878480560 is a `hidden beast` number, since 5 + 7 + 1 + 1 + 6 + 6 + 87 + 8 + 480 + 5 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

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 in 23 ways as a sum of consecutive naturals, for example, 136578202 + ... + 140698041.

Almost surely, 2^{571166878480560} is an apocalyptic number.

It is an amenable number.

571166878480560 is an abundant number, since it is smaller than the sum of its proper divisors (1347672349292544).

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

571166878480560 is a wasteful number, since it uses less digits than its factorization.

571166878480560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277279123 (or 277279114 counting only the distinct ones).

The product of its (nonzero) digits is 541900800, while the sum is 72.

The spelling of 571166878480560 in words is "five hundred seventy-one trillion, one hundred sixty-six billion, eight hundred seventy-eight million, four hundred eighty thousand, five hundred sixty".