614064681668 has 12 divisors (see below), whose sum is σ = 1131171782160. Its totient is φ = 290872743912.

The previous prime is 614064681653. The next prime is 614064681673. The reversal of 614064681668 is 866186460416.

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, 4039899146 + ... + 4039899297.

It is an arithmetic number, because the mean of its divisors is an integer number (94264315180).

Almost surely, 2^614064681668 is an apocalyptic number.

It is an amenable number.

614064681668 is a deficient number, since it is larger than the sum of its proper divisors (517107100492).

614064681668 is a wasteful number, since it uses less digits than its factorization.

614064681668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8079798466 (or 8079798464 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 56.

The spelling of 614064681668 in words is "six hundred fourteen billion, sixty-four million, six hundred eighty-one thousand, six hundred sixty-eight".