6406600018 has 64 divisors (see below), whose sum is σ = 12258812160. Its totient is φ = 2442408192.

The previous prime is 6406600007. The next prime is 6406600049. The reversal of 6406600018 is 8100066046.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4205805 + ... + 4207327.

It is an arithmetic number, because the mean of its divisors is an integer number (191543940).

Almost surely, 2^6406600018 is an apocalyptic number.

6406600018 is a deficient number, since it is larger than the sum of its proper divisors (5852212142).

6406600018 is a wasteful number, since it uses less digits than its factorization.

6406600018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2371.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 6406600018 is about 80041.2394831564. The cubic root of 6406600018 is about 1857.2735343871.

The spelling of 6406600018 in words is "six billion, four hundred six million, six hundred thousand, eighteen".