163835675136 has 200 divisors, whose sum is σ = 558865391040. Its totient is φ = 46810109952.

The previous prime is 163835675123. The next prime is 163835675147. The reversal of 163835675136 is 631576538361.

163835675136 is a `hidden beast` number, since 1 + 6 + 38 + 35 + 67 + 513 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 8125 + ... + 572483.

Almost surely, 2^163835675136 is an apocalyptic number.

163835675136 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 163835675136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279432695520).

163835675136 is an abundant number, since it is smaller than the sum of its proper divisors (395029715904).

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

163835675136 is an frugal number, since it uses more digits than its factorization.

163835675136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564396 (or 564371 counting only the distinct ones).

The product of its digits is 8164800, while the sum is 54.

The spelling of 163835675136 in words is "one hundred sixty-three billion, eight hundred thirty-five million, six hundred seventy-five thousand, one hundred thirty-six".