871001660632 has 8 divisors (see below), whose sum is σ = 1633128113700. Its totient is φ = 435500830312.

The previous prime is 871001660629. The next prime is 871001660647. The reversal of 871001660632 is 236066100178.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×871001660632³ (a number of 37 digits) contains 333 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 54437603782 + ... + 54437603797.

Almost surely, 2^871001660632 is an apocalyptic number.

It is an amenable number.

871001660632 is a deficient number, since it is larger than the sum of its proper divisors (762126453068).

871001660632 is a wasteful number, since it uses less digits than its factorization.

871001660632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108875207585 (or 108875207581 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 871001660632 in words is "eight hundred seventy-one billion, one million, six hundred sixty thousand, six hundred thirty-two".