2558098668 has 24 divisors (see below), whose sum is σ = 6283049920. Its totient is φ = 807820560.

The previous prime is 2558098561. The next prime is 2558098679. The reversal of 2558098668 is 8668908552.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5609638 + ... + 5610093.

Almost surely, 2^2558098668 is an apocalyptic number.

It is an amenable number.

2558098668 is an abundant number, since it is smaller than the sum of its proper divisors (3724951252).

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

2558098668 is a wasteful number, since it uses less digits than its factorization.

2558098668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11219757 (or 11219755 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 57.

The square root of 2558098668 is about 50577.6498860910. The cubic root of 2558098668 is about 1367.6420034639.

The spelling of 2558098668 in words is "two billion, five hundred fifty-eight million, ninety-eight thousand, six hundred sixty-eight".