2481405666 has 16 divisors (see below), whose sum is σ = 5096941824. Its totient is φ = 804780144.

The previous prime is 2481405659. The next prime is 2481405679. The reversal of 2481405666 is 6665041842.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5588530 + ... + 5588973.

It is an arithmetic number, because the mean of its divisors is an integer number (318558864).

Almost surely, 2^2481405666 is an apocalyptic number.

2481405666 is an abundant number, since it is smaller than the sum of its proper divisors (2615536158).

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

2481405666 is a wasteful number, since it uses less digits than its factorization.

2481405666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11177545.

The product of its (nonzero) digits is 276480, while the sum is 42.

The square root of 2481405666 is about 49813.7096189392. The cubic root of 2481405666 is about 1353.8355788438.

The spelling of 2481405666 in words is "two billion, four hundred eighty-one million, four hundred five thousand, six hundred sixty-six".