2086162866 has 12 divisors (see below), whose sum is σ = 4520019582. Its totient is φ = 695387616.

The previous prime is 2086162849. The next prime is 2086162867. The reversal of 2086162866 is 6682616802.

2086162866 is a `hidden beast` number, since 2 + 0 + 8 + 616 + 28 + 6 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1948781025 + 137381841 = 44145^2 + 11721^2 .

It is not an unprimeable number, because it can be changed into a prime (2086162867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57948951 + ... + 57948986.

Almost surely, 2^2086162866 is an apocalyptic number.

2086162866 is an abundant number, since it is smaller than the sum of its proper divisors (2433856716).

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

2086162866 is a wasteful number, since it uses less digits than its factorization.

2086162866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115897945 (or 115897942 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 2086162866 is about 45674.5319187838. The cubic root of 2086162866 is about 1277.7603384343.

The spelling of 2086162866 in words is "two billion, eighty-six million, one hundred sixty-two thousand, eight hundred sixty-six".