208163227104 has 960 divisors, whose sum is σ = 770119612416. Its totient is φ = 53812740096.

The previous prime is 208163227073. The next prime is 208163227163. The reversal of 208163227104 is 401722361802.

It is a happy number.

208163227104 is a `hidden beast` number, since 2 + 0 + 8 + 1 + 632 + 2 + 7 + 10 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 1203255562 + ... + 1203255734.

Almost surely, 2^208163227104 is an apocalyptic number.

208163227104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 208163227104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385059806208).

208163227104 is an abundant number, since it is smaller than the sum of its proper divisors (561956385312).

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

208163227104 is a wasteful number, since it uses less digits than its factorization.

208163227104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

Adding to 208163227104 its reverse (401722361802), we get a palindrome (609885588906).

The spelling of 208163227104 in words is "two hundred eight billion, one hundred sixty-three million, two hundred twenty-seven thousand, one hundred four".