32163071232 has 144 divisors (see below), whose sum is σ = 88502420160. Its totient is φ = 10362470400.

The previous prime is 32163071231. The next prime is 32163071233. The reversal of 32163071232 is 23217036123.

It is an interprime number because it is at equal distance from previous prime (32163071231) and next prime (32163071233).

It is a self number, because there is not a number n which added to its sum of digits gives 32163071232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32163071231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3427507 + ... + 3436877.

It is an arithmetic number, because the mean of its divisors is an integer number (614600140).

Almost surely, 2^32163071232 is an apocalyptic number.

32163071232 is a gapful number since it is divisible by the number (32) 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 32163071232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44251210080).

32163071232 is an abundant number, since it is smaller than the sum of its proper divisors (56339348928).

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

32163071232 is a wasteful number, since it uses less digits than its factorization.

32163071232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9540 (or 9526 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The spelling of 32163071232 in words is "thirty-two billion, one hundred sixty-three million, seventy-one thousand, two hundred thirty-two".