2063554866 has 40 divisors (see below), whose sum is σ = 4773060864. Its totient is φ = 665661240.

The previous prime is 2063554859. The next prime is 2063554931. The reversal of 2063554866 is 6684553602.

2063554866 is a `hidden beast` number, since 2 + 0 + 635 + 5 + 4 + 8 + 6 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 200430 + ... + 210473.

Almost surely, 2^2063554866 is an apocalyptic number.

2063554866 is an abundant number, since it is smaller than the sum of its proper divisors (2709505998).

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

2063554866 is a wasteful number, since it uses less digits than its factorization.

2063554866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410948 (or 410939 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The square root of 2063554866 is about 45426.3675193164. The cubic root of 2063554866 is about 1273.1278155893.

The spelling of 2063554866 in words is "two billion, sixty-three million, five hundred fifty-four thousand, eight hundred sixty-six".