2050791866 has 16 divisors (see below), whose sum is σ = 3239364960. Its totient is φ = 971046000.

The previous prime is 2050791857. The next prime is 2050791871. The reversal of 2050791866 is 6681970502.

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, 103241 + ... + 121491.

It is an arithmetic number, because the mean of its divisors is an integer number (202460310).

Almost surely, 2^2050791866 is an apocalyptic number.

2050791866 is a deficient number, since it is larger than the sum of its proper divisors (1188573094).

2050791866 is a wasteful number, since it uses less digits than its factorization.

2050791866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21229.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 2050791866 is about 45285.6695434660. The cubic root of 2050791866 is about 1270.4976382817.

The spelling of 2050791866 in words is "two billion, fifty million, seven hundred ninety-one thousand, eight hundred sixty-six".