2561202466 has 8 divisors (see below), whose sum is σ = 3842314704. Its totient is φ = 1280430900.

The previous prime is 2561202437. The next prime is 2561202487. The reversal of 2561202466 is 6642021652.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65460 + ... + 96991.

It is an arithmetic number, because the mean of its divisors is an integer number (480289338).

Almost surely, 2^2561202466 is an apocalyptic number.

2561202466 is a deficient number, since it is larger than the sum of its proper divisors (1281112238).

2561202466 is a wasteful number, since it uses less digits than its factorization.

2561202466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170336.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 2561202466 is about 50608.3240781593. The cubic root of 2561202466 is about 1368.1949100581.

The spelling of 2561202466 in words is "two billion, five hundred sixty-one million, two hundred two thousand, four hundred sixty-six".