16905081418 has 32 divisors (see below), whose sum is σ = 27789557760. Its totient is φ = 7677008640.

The previous prime is 16905081407. The next prime is 16905081481. The reversal of 16905081418 is 81418050961.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2748855 + ... + 2754997.

It is an arithmetic number, because the mean of its divisors is an integer number (868423680).

Almost surely, 2^16905081418 is an apocalyptic number.

16905081418 is a deficient number, since it is larger than the sum of its proper divisors (10884476342).

16905081418 is a wasteful number, since it uses less digits than its factorization.

16905081418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8982.

The product of its (nonzero) digits is 69120, while the sum is 43.

The spelling of 16905081418 in words is "sixteen billion, nine hundred five million, eighty-one thousand, four hundred eighteen".