2108100688 has 40 divisors (see below), whose sum is σ = 4246672640. Its totient is φ = 1012677120.

The previous prime is 2108100661. The next prime is 2108100713. The reversal of 2108100688 is 8860018012.

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, 53656 + ... + 84232.

It is an arithmetic number, because the mean of its divisors is an integer number (106166816).

Almost surely, 2^2108100688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2108100688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2123336320).

2108100688 is an abundant number, since it is smaller than the sum of its proper divisors (2138571952).

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

2108100688 is a wasteful number, since it uses less digits than its factorization.

2108100688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30755 (or 30749 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 34.

The square root of 2108100688 is about 45914.0576294450. The cubic root of 2108100688 is about 1282.2236510516.

The spelling of 2108100688 in words is "two billion, one hundred eight million, one hundred thousand, six hundred eighty-eight".