16418225406 has 16 divisors (see below), whose sum is σ = 35821582848. Its totient is φ = 4975219800.

The previous prime is 16418225393. The next prime is 16418225459. The reversal of 16418225406 is 60452281461.

It is a happy number.

It is a congruent number.

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, 124380430 + ... + 124380561.

It is an arithmetic number, because the mean of its divisors is an integer number (2238848928).

Almost surely, 2^16418225406 is an apocalyptic number.

16418225406 is an abundant number, since it is smaller than the sum of its proper divisors (19403357442).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16418225406 is a wasteful number, since it uses less digits than its factorization.

16418225406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248761007.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 16418225406 in words is "sixteen billion, four hundred eighteen million, two hundred twenty-five thousand, four hundred six".