6445885118 has 8 divisors (see below), whose sum is σ = 9980725440. Its totient is φ = 3118976640.

The previous prime is 6445885097. The next prime is 6445885139. The reversal of 6445885118 is 8115885446.

It is an interprime number because it is at equal distance from previous prime (6445885097) and next prime (6445885139).

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, 51982883 + ... + 51983006.

It is an arithmetic number, because the mean of its divisors is an integer number (1247590680).

Almost surely, 2^6445885118 is an apocalyptic number.

6445885118 is a deficient number, since it is larger than the sum of its proper divisors (3534840322).

6445885118 is a wasteful number, since it uses less digits than its factorization.

6445885118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103965922.

The product of its digits is 1228800, while the sum is 50.

The square root of 6445885118 is about 80286.2697975189. The cubic root of 6445885118 is about 1861.0620517612.

The spelling of 6445885118 in words is "six billion, four hundred forty-five million, eight hundred eighty-five thousand, one hundred eighteen".