57168421718 has 4 divisors (see below), whose sum is σ = 85752632580. Its totient is φ = 28584210858.

The previous prime is 57168421703. The next prime is 57168421771. The reversal of 57168421718 is 81712486175.

It is a happy number.

57168421718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14292105428 + ... + 14292105431.

It is an arithmetic number, because the mean of its divisors is an integer number (21438158145).

Almost surely, 2^57168421718 is an apocalyptic number.

57168421718 is a deficient number, since it is larger than the sum of its proper divisors (28584210862).

57168421718 is a wasteful number, since it uses less digits than its factorization.

57168421718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28584210861.

The product of its digits is 752640, while the sum is 50.

The spelling of 57168421718 in words is "fifty-seven billion, one hundred sixty-eight million, four hundred twenty-one thousand, seven hundred eighteen".