57143678665 has 8 divisors (see below), whose sum is σ = 72181488960. Its totient is φ = 43308893232.

The previous prime is 57143678651. The next prime is 57143678717. The reversal of 57143678665 is 56687634175.

57143678665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57143678665 - 2⁹ = 57143678153 is a prime.

It is a super-2 number, since 2×57143678665² (a number of 22 digits) contains 22 as substring.

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, 300756109 + ... + 300756298.

It is an arithmetic number, because the mean of its divisors is an integer number (9022686120).

Almost surely, 2^57143678665 is an apocalyptic number.

It is an amenable number.

57143678665 is a deficient number, since it is larger than the sum of its proper divisors (15037810295).

57143678665 is a wasteful number, since it uses less digits than its factorization.

57143678665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601512431.

The product of its digits is 25401600, while the sum is 58.

The spelling of 57143678665 in words is "fifty-seven billion, one hundred forty-three million, six hundred seventy-eight thousand, six hundred sixty-five".