2100558606 has 16 divisors (see below), whose sum is σ = 4215459024. Its totient is φ = 697795904.

The previous prime is 2100558589. The next prime is 2100558679. The reversal of 2100558606 is 6068550012.

It is a congruent number.

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, 595671 + ... + 599186.

It is an arithmetic number, because the mean of its divisors is an integer number (263466189).

Almost surely, 2^2100558606 is an apocalyptic number.

2100558606 is an abundant number, since it is smaller than the sum of its proper divisors (2114900418).

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

2100558606 is a wasteful number, since it uses less digits than its factorization.

2100558606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195155.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 2100558606 is about 45831.8514354373. The cubic root of 2100558606 is about 1280.6927008267.

The spelling of 2100558606 in words is "two billion, one hundred million, five hundred fifty-eight thousand, six hundred six".