163455136 has 96 divisors (see below), whose sum is σ = 380071440. Its totient is φ = 68468736.

The previous prime is 163455121. The next prime is 163455139. The reversal of 163455136 is 631554361.

It can be written as a sum of positive squares in 8 ways, for example, as 74718736 + 88736400 = 8644^2 + 9420^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (163455139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204690 + ... + 205486.

Almost surely, 2^163455136 is an apocalyptic number.

163455136 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 163455136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190035720).

163455136 is an abundant number, since it is smaller than the sum of its proper divisors (216616304).

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

163455136 is a wasteful number, since it uses less digits than its factorization.

163455136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 858 counting only the distinct ones).

The product of its digits is 32400, while the sum is 34.

The square root of 163455136 is about 12784.9574109576. The cubic root of 163455136 is about 546.7635111656.

The spelling of 163455136 in words is "one hundred sixty-three million, four hundred fifty-five thousand, one hundred thirty-six".