57666333650457 has 32 divisors (see below), whose sum is σ = 89273837664000. Its totient is φ = 32430750098688.

The previous prime is 57666333650423. The next prime is 57666333650591. The reversal of 57666333650457 is 75405633366675.

It is not a de Polignac number, because 57666333650457 - 2⁸ = 57666333650201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57666333690457) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84198558 + ... + 84880679.

It is an arithmetic number, because the mean of its divisors is an integer number (2789807427000).

Almost surely, 2^{57666333650457} is an apocalyptic number.

It is an amenable number.

57666333650457 is a deficient number, since it is larger than the sum of its proper divisors (31607504013543).

57666333650457 is a wasteful number, since it uses less digits than its factorization.

57666333650457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169079505.

The product of its (nonzero) digits is 857304000, while the sum is 66.

The spelling of 57666333650457 in words is "fifty-seven trillion, six hundred sixty-six billion, three hundred thirty-three million, six hundred fifty thousand, four hundred fifty-seven".