2557162098 has 24 divisors (see below), whose sum is σ = 5669368848. Its totient is φ = 832564152.

The previous prime is 2557162067. The next prime is 2557162099. The reversal of 2557162098 is 8902617552.

2557162098 is a `hidden beast` number, since 2 + 557 + 1 + 6 + 2 + 0 + 98 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2557162099) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1651140 + ... + 1652687.

It is an arithmetic number, because the mean of its divisors is an integer number (236223702).

Almost surely, 2^2557162098 is an apocalyptic number.

2557162098 is an abundant number, since it is smaller than the sum of its proper divisors (3112206750).

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

2557162098 is a wasteful number, since it uses less digits than its factorization.

2557162098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303878 (or 3303875 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 2557162098 is about 50568.3903046162. The cubic root of 2557162098 is about 1367.4750762536.

The spelling of 2557162098 in words is "two billion, five hundred fifty-seven million, one hundred sixty-two thousand, ninety-eight".