57123381668 has 12 divisors (see below), whose sum is σ = 105227282160. Its totient is φ = 27058443912.

The previous prime is 57123381659. The next prime is 57123381673. The reversal of 57123381668 is 86618332175.

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, 375811646 + ... + 375811797.

It is an arithmetic number, because the mean of its divisors is an integer number (8768940180).

Almost surely, 2^57123381668 is an apocalyptic number.

It is an amenable number.

57123381668 is a deficient number, since it is larger than the sum of its proper divisors (48103900492).

57123381668 is a wasteful number, since it uses less digits than its factorization.

57123381668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751623466 (or 751623464 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The spelling of 57123381668 in words is "fifty-seven billion, one hundred twenty-three million, three hundred eighty-one thousand, six hundred sixty-eight".