2057594658 has 64 divisors (see below), whose sum is σ = 4774748160. Its totient is φ = 578964672.

The previous prime is 2057594657. The next prime is 2057594701. The reversal of 2057594658 is 8564957502.

It is a self number, because there is not a number n which added to its sum of digits gives 2057594658.

It is not an unprimeable number, because it can be changed into a prime (2057594657) 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, 2411760 + ... + 2412612.

It is an arithmetic number, because the mean of its divisors is an integer number (74605440).

Almost surely, 2^2057594658 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2057594658, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2387374080).

2057594658 is an abundant number, since it is smaller than the sum of its proper divisors (2717153502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2057594658 is a wasteful number, since it uses less digits than its factorization.

2057594658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671.

The product of its (nonzero) digits is 3024000, while the sum is 51.

The square root of 2057594658 is about 45360.7171239609. The cubic root of 2057594658 is about 1271.9008998286.

The spelling of 2057594658 in words is "two billion, fifty-seven million, five hundred ninety-four thousand, six hundred fifty-eight".