2165678082 has 24 divisors (see below), whose sum is σ = 4707598896. Its totient is φ = 719539416.

The previous prime is 2165678063. The next prime is 2165678107. The reversal of 2165678082 is 2808765612.

2165678082 is a `hidden beast` number, since 2 + 1 + 6 + 567 + 8 + 0 + 82 = 666.

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, 190428 + ... + 201479.

It is an arithmetic number, because the mean of its divisors is an integer number (196149954).

Almost surely, 2^2165678082 is an apocalyptic number.

2165678082 is an abundant number, since it is smaller than the sum of its proper divisors (2541920814).

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

2165678082 is a wasteful number, since it uses less digits than its factorization.

2165678082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392222 (or 392219 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 2165678082 is about 46536.8464982319. The cubic root of 2165678082 is about 1293.7925133968.

The spelling of 2165678082 in words is "two billion, one hundred sixty-five million, six hundred seventy-eight thousand, eighty-two".