2108516550 has 72 divisors (see below), whose sum is σ = 6082876296. Its totient is φ = 481944960.

The previous prime is 2108516519. The next prime is 2108516573. The reversal of 2108516550 is 556158012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 136087 + ... + 150786.

It is an arithmetic number, because the mean of its divisors is an integer number (84484393).

Almost surely, 2^2108516550 is an apocalyptic number.

2108516550 is an abundant number, since it is smaller than the sum of its proper divisors (3974359746).

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

2108516550 is a wasteful number, since it uses less digits than its factorization.

2108516550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286902 (or 286890 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 33.

The square root of 2108516550 is about 45918.5861062816. The cubic root of 2108516550 is about 1282.3079596484.

The spelling of 2108516550 in words is "two billion, one hundred eight million, five hundred sixteen thousand, five hundred fifty".