501841006668 has 18 divisors (see below), whose sum is σ = 1268542544724. Its totient is φ = 167280335544.

The previous prime is 501841006643. The next prime is 501841006691. The reversal of 501841006668 is 866600148105.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6970013946 + ... + 6970014017.

It is an arithmetic number, because the mean of its divisors is an integer number (70474585818).

Almost surely, 2^501841006668 is an apocalyptic number.

It is an amenable number.

501841006668 is an abundant number, since it is smaller than the sum of its proper divisors (766701538056).

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

501841006668 is a wasteful number, since it uses less digits than its factorization.

501841006668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13940027973 (or 13940027968 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 501841006668 in words is "five hundred one billion, eight hundred forty-one million, six thousand, six hundred sixty-eight".