2057838218187 has 8 divisors (see below), whose sum is σ = 2746016829840. Its totient is φ = 1370775876000.

The previous prime is 2057838218159. The next prime is 2057838218203. The reversal of 2057838218187 is 7818128387502.

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

It is not a de Polignac number, because 2057838218187 - 2¹⁶ = 2057838152651 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2057838218187.

It is not an unprimeable number, because it can be changed into a prime (2057838218147) 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, 279063064 + ... + 279070437.

It is an arithmetic number, because the mean of its divisors is an integer number (343252103730).

Almost surely, 2^{2057838218187} is an apocalyptic number.

2057838218187 is a deficient number, since it is larger than the sum of its proper divisors (688178611653).

2057838218187 is a wasteful number, since it uses less digits than its factorization.

2057838218187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558134733.

The product of its (nonzero) digits is 12042240, while the sum is 60.

The spelling of 2057838218187 in words is "two trillion, fifty-seven billion, eight hundred thirty-eight million, two hundred eighteen thousand, one hundred eighty-seven".