2050671566 has 4 divisors (see below), whose sum is σ = 3076007352. Its totient is φ = 1025335782.

The previous prime is 2050671551. The next prime is 2050671583. The reversal of 2050671566 is 6651760502.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512667890 + ... + 512667893.

It is an arithmetic number, because the mean of its divisors is an integer number (769001838).

Almost surely, 2^2050671566 is an apocalyptic number.

2050671566 is a deficient number, since it is larger than the sum of its proper divisors (1025335786).

2050671566 is a wasteful number, since it uses less digits than its factorization.

2050671566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025335785.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 2050671566 is about 45284.3412892360. The cubic root of 2050671566 is about 1270.4727952187.

The spelling of 2050671566 in words is "two billion, fifty million, six hundred seventy-one thousand, five hundred sixty-six".