257880143163 has 8 divisors (see below), whose sum is σ = 353133169168. Its totient is φ = 167273606304.

The previous prime is 257880143161. The next prime is 257880143201. The reversal of 257880143163 is 361341088752.

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

It is not a de Polignac number, because 257880143163 - 2¹ = 257880143161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (257880143161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1161622156 + ... + 1161622377.

It is an arithmetic number, because the mean of its divisors is an integer number (44141646146).

Almost surely, 2^257880143163 is an apocalyptic number.

257880143163 is a deficient number, since it is larger than the sum of its proper divisors (95253026005).

257880143163 is a wasteful number, since it uses less digits than its factorization.

257880143163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2323244573.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 257880143163 in words is "two hundred fifty-seven billion, eight hundred eighty million, one hundred forty-three thousand, one hundred sixty-three".