2560202566 has 8 divisors (see below), whose sum is σ = 3850331904. Its totient is φ = 1276758600.

The previous prime is 2560202543. The next prime is 2560202587. The reversal of 2560202566 is 6652020652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670385 + ... + 1671916.

It is an arithmetic number, because the mean of its divisors is an integer number (481291488).

Almost surely, 2^2560202566 is an apocalyptic number.

2560202566 is a deficient number, since it is larger than the sum of its proper divisors (1290129338).

2560202566 is a wasteful number, since it uses less digits than its factorization.

2560202566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342686.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 2560202566 is about 50598.4443041483. Note that the first 3 decimals coincide. The cubic root of 2560202566 is about 1368.0168379509.

The spelling of 2560202566 in words is "two billion, five hundred sixty million, two hundred two thousand, five hundred sixty-six".