57645051668 has 12 divisors (see below), whose sum is σ = 100926642432. Its totient is φ = 28808868120.

The previous prime is 57645051649. The next prime is 57645051677. The reversal of 57645051668 is 86615054675.

It is a happy number.

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, 3404930 + ... + 3421817.

It is an arithmetic number, because the mean of its divisors is an integer number (8410553536).

Almost surely, 2^57645051668 is an apocalyptic number.

It is an amenable number.

57645051668 is a deficient number, since it is larger than the sum of its proper divisors (43281590764).

57645051668 is a wasteful number, since it uses less digits than its factorization.

57645051668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6828862 (or 6828860 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 53.

The spelling of 57645051668 in words is "fifty-seven billion, six hundred forty-five million, fifty-one thousand, six hundred sixty-eight".