2164285836 has 36 divisors (see below), whose sum is σ = 5519258472. Its totient is φ = 715042944.

The previous prime is 2164285777. The next prime is 2164285841. The reversal of 2164285836 is 6385824612.

2164285836 is a `hidden beast` number, since 2 + 1 + 64 + 2 + 8 + 583 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 2164285791 and 2164285800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 261946 + ... + 270081.

Almost surely, 2^2164285836 is an apocalyptic number.

It is an amenable number.

2164285836 is an abundant number, since it is smaller than the sum of its proper divisors (3354972636).

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

2164285836 is a wasteful number, since it uses less digits than its factorization.

2164285836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532150 (or 532145 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 2164285836 is about 46521.8855593795. The cubic root of 2164285836 is about 1293.5152078577.

The spelling of 2164285836 in words is "two billion, one hundred sixty-four million, two hundred eighty-five thousand, eight hundred thirty-six".