4405645166 has 64 divisors (see below), whose sum is σ = 7896268800. Its totient is φ = 1824007680.

The previous prime is 4405645163. The next prime is 4405645169. The reversal of 4405645166 is 6615465044.

It is an interprime number because it is at equal distance from previous prime (4405645163) and next prime (4405645169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4405645163) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 915635 + ... + 920433.

It is an arithmetic number, because the mean of its divisors is an integer number (123379200).

Almost surely, 2^4405645166 is an apocalyptic number.

4405645166 is a deficient number, since it is larger than the sum of its proper divisors (3490623634).

4405645166 is a wasteful number, since it uses less digits than its factorization.

4405645166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4929.

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 4405645166 is about 66375.0342071475. The cubic root of 4405645166 is about 1639.3430302853.

The spelling of 4405645166 in words is "four billion, four hundred five million, six hundred forty-five thousand, one hundred sixty-six".