2557281162 has 16 divisors (see below), whose sum is σ = 5198408352. Its totient is φ = 838452720.

The previous prime is 2557281149. The next prime is 2557281169. The reversal of 2557281162 is 2611827552.

It is a self number, because there is not a number n which added to its sum of digits gives 2557281162.

It is not an unprimeable number, because it can be changed into a prime (2557281169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3493188 + ... + 3493919.

It is an arithmetic number, because the mean of its divisors is an integer number (324900522).

Almost surely, 2^2557281162 is an apocalyptic number.

2557281162 is an abundant number, since it is smaller than the sum of its proper divisors (2641127190).

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

2557281162 is a wasteful number, since it uses less digits than its factorization.

2557281162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6987173.

The product of its digits is 67200, while the sum is 39.

The square root of 2557281162 is about 50569.5675480817. The cubic root of 2557281162 is about 1367.4962995888.

The spelling of 2557281162 in words is "two billion, five hundred fifty-seven million, two hundred eighty-one thousand, one hundred sixty-two".