163232110440 has 672 divisors, whose sum is σ = 668544554880. Its totient is φ = 35680829184.

The previous prime is 163232110423. The next prime is 163232110441. The reversal of 163232110440 is 44011232361.

It is a happy number.

163232110440 is a `hidden beast` number, since 1 + 6 + 3 + 2 + 3 + 211 + 0 + 440 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (163232110441) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 32860837 + ... + 32865803.

Almost surely, 2^163232110440 is an apocalyptic number.

163232110440 is a gapful number since it is divisible by the number (10) 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 163232110440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (334272277440).

163232110440 is an abundant number, since it is smaller than the sum of its proper divisors (505312444440).

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

163232110440 is a wasteful number, since it uses less digits than its factorization.

163232110440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033 (or 5007 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 163232110440 in words is "one hundred sixty-three billion, two hundred thirty-two million, one hundred ten thousand, four hundred forty".