610857475668 has 36 divisors (see below), whose sum is σ = 1684485767328. Its totient is φ = 185108325840.

The previous prime is 610857475651. The next prime is 610857475673. The reversal of 610857475668 is 866574758016.

610857475668 is a `hidden beast` number, since 6 + 1 + 0 + 8 + 574 + 7 + 56 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 771284296 + ... + 771285087.

Almost surely, 2^610857475668 is an apocalyptic number.

It is an amenable number.

610857475668 is an abundant number, since it is smaller than the sum of its proper divisors (1073628291660).

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

610857475668 is a wasteful number, since it uses less digits than its factorization.

610857475668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542569404 (or 1542569399 counting only the distinct ones).

The product of its (nonzero) digits is 67737600, while the sum is 63.

The spelling of 610857475668 in words is "six hundred ten billion, eight hundred fifty-seven million, four hundred seventy-five thousand, six hundred sixty-eight".