2087118656 has 56 divisors (see below), whose sum is σ = 4737786816. Its totient is φ = 893629440.

The previous prime is 2087118589. The next prime is 2087118673. The reversal of 2087118656 is 6568117802.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

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, 769655 + ... + 772361.

It is an arithmetic number, because the mean of its divisors is an integer number (84603336).

Almost surely, 2^2087118656 is an apocalyptic number.

It is an amenable number.

2087118656 is an abundant number, since it is smaller than the sum of its proper divisors (2650668160).

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

2087118656 is a wasteful number, since it uses less digits than its factorization.

2087118656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4447 (or 4437 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 2087118656 is about 45684.9937725726. The cubic root of 2087118656 is about 1277.9554468971.

The spelling of 2087118656 in words is "two billion, eighty-seven million, one hundred eighteen thousand, six hundred fifty-six".