6401060880668 has 12 divisors (see below), whose sum is σ = 11202093803040. Its totient is φ = 3200462651232.

The previous prime is 6401060880637. The next prime is 6401060880679. The reversal of 6401060880668 is 8660880601046.

It is a super-2 number, since 2×6401060880668² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16734521 + ... + 17112752.

It is an arithmetic number, because the mean of its divisors is an integer number (933507816920).

Almost surely, 2^{6401060880668} is an apocalyptic number.

It is an amenable number.

6401060880668 is a deficient number, since it is larger than the sum of its proper divisors (4801032922372).

6401060880668 is a wasteful number, since it uses less digits than its factorization.

6401060880668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33894556 (or 33894554 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 53.

The spelling of 6401060880668 in words is "six trillion, four hundred one billion, sixty million, eight hundred eighty thousand, six hundred sixty-eight".