20416403664162 has 144 divisors (see below), whose sum is σ = 49654484635392. Its totient is φ = 6012534407040.

The previous prime is 20416403664109. The next prime is 20416403664203. The reversal of 20416403664162 is 26146630461402.

20416403664162 is a `hidden beast` number, since 2 + 0 + 416 + 40 + 36 + 6 + 4 + 162 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 233882868 + ... + 233970144.

It is an arithmetic number, because the mean of its divisors is an integer number (344822809968).

Almost surely, 2^{20416403664162} is an apocalyptic number.

20416403664162 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20416403664162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24827242317696).

20416403664162 is an abundant number, since it is smaller than the sum of its proper divisors (29238080971230).

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

20416403664162 is a wasteful number, since it uses less digits than its factorization.

20416403664162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88233 (or 88193 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 20416403664162 in words is "twenty trillion, four hundred sixteen billion, four hundred three million, six hundred sixty-four thousand, one hundred sixty-two".