163336271616 has 216 divisors, whose sum is σ = 539364833280. Its totient is φ = 46567876608.

The previous prime is 163336271543. The next prime is 163336271671. The reversal of 163336271616 is 616172633361.

163336271616 is a `hidden beast` number, since 1 + 6 + 3 + 3 + 3 + 6 + 27 + 1 + 616 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7714741 + ... + 7735883.

Almost surely, 2^163336271616 is an apocalyptic number.

163336271616 is a gapful number since it is divisible by the number (16) 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 163336271616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269682416640).

163336271616 is an abundant number, since it is smaller than the sum of its proper divisors (376028561664).

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

163336271616 is a wasteful number, since it uses less digits than its factorization.

163336271616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21651 (or 21634 counting only the distinct ones).

The product of its digits is 489888, while the sum is 45.

The spelling of 163336271616 in words is "one hundred sixty-three billion, three hundred thirty-six million, two hundred seventy-one thousand, six hundred sixteen".