57144160643 has 4 divisors (see below), whose sum is σ = 57949008048. Its totient is φ = 56339313240.

The previous prime is 57144160631. The next prime is 57144160649. The reversal of 57144160643 is 34606144175.

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

It is a cyclic number.

It is not a de Polignac number, because 57144160643 - 2⁴ = 57144160627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57144160643.

It is not an unprimeable number, because it can be changed into a prime (57144160649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402423596 + ... + 402423737.

It is an arithmetic number, because the mean of its divisors is an integer number (14487252012).

Almost surely, 2^57144160643 is an apocalyptic number.

57144160643 is a deficient number, since it is larger than the sum of its proper divisors (804847405).

57144160643 is an equidigital number, since it uses as much as digits as its factorization.

57144160643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804847404.

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 57144160643 in words is "fifty-seven billion, one hundred forty-four million, one hundred sixty thousand, six hundred forty-three".