3625004641666 has 16 divisors (see below), whose sum is σ = 5544657713088. Its totient is φ = 1777133862000.

The previous prime is 3625004641627. The next prime is 3625004641679. The reversal of 3625004641666 is 6661464005263.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87093600 + ... + 87135211.

It is an arithmetic number, because the mean of its divisors is an integer number (346541107068).

Almost surely, 2^{3625004641666} is an apocalyptic number.

3625004641666 is a deficient number, since it is larger than the sum of its proper divisors (1919653071422).

3625004641666 is a wasteful number, since it uses less digits than its factorization.

3625004641666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174229017.

The product of its (nonzero) digits is 3732480, while the sum is 49.

The spelling of 3625004641666 in words is "three trillion, six hundred twenty-five billion, four million, six hundred forty-one thousand, six hundred sixty-six".