57705066668 has 24 divisors (see below), whose sum is σ = 106432292400. Its totient is φ = 27299654208.

The previous prime is 57705066641. The next prime is 57705066673. The reversal of 57705066668 is 86666050775.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 415763 + ... + 536906.

It is an arithmetic number, because the mean of its divisors is an integer number (4434678850).

Almost surely, 2^57705066668 is an apocalyptic number.

It is an amenable number.

57705066668 is a deficient number, since it is larger than the sum of its proper divisors (48727225732).

57705066668 is a wasteful number, since it uses less digits than its factorization.

57705066668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953489 (or 953487 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 56.

The spelling of 57705066668 in words is "fifty-seven billion, seven hundred five million, sixty-six thousand, six hundred sixty-eight".