2107529905668 has 24 divisors (see below), whose sum is σ = 5364621578400. Its totient is φ = 638645425920.

The previous prime is 2107529905619. The next prime is 2107529905673. The reversal of 2107529905668 is 8665099257012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7983067693 + ... + 7983067956.

It is an arithmetic number, because the mean of its divisors is an integer number (223525899100).

Almost surely, 2^{2107529905668} is an apocalyptic number.

It is an amenable number.

2107529905668 is an abundant number, since it is smaller than the sum of its proper divisors (3257091672732).

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

2107529905668 is a wasteful number, since it uses less digits than its factorization.

2107529905668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15966135667 (or 15966135665 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 60.

The spelling of 2107529905668 in words is "two trillion, one hundred seven billion, five hundred twenty-nine million, nine hundred five thousand, six hundred sixty-eight".