18417241906 has 16 divisors (see below), whose sum is σ = 31621228416. Its totient is φ = 7880900256.

The previous prime is 18417241889. The next prime is 18417241919. The reversal of 18417241906 is 60914271481.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007571 + ... + 1025686.

It is an arithmetic number, because the mean of its divisors is an integer number (1976326776).

Almost surely, 2^18417241906 is an apocalyptic number.

18417241906 is a deficient number, since it is larger than the sum of its proper divisors (13203986510).

18417241906 is a wasteful number, since it uses less digits than its factorization.

18417241906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2033913.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 18417241906 in words is "eighteen billion, four hundred seventeen million, two hundred forty-one thousand, nine hundred six".