32311162872 has 128 divisors (see below), whose sum is σ = 90742579200. Its totient is φ = 10652342400.

The previous prime is 32311162847. The next prime is 32311162889. The reversal of 32311162872 is 27826111323.

32311162872 is a `hidden beast` number, since 3 + 23 + 1 + 1 + 1 + 628 + 7 + 2 = 666.

It is a super-2 number, since 2×32311162872² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7465173 + ... + 7469499.

It is an arithmetic number, because the mean of its divisors is an integer number (708926400).

Almost surely, 2^32311162872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32311162872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45371289600).

32311162872 is an abundant number, since it is smaller than the sum of its proper divisors (58431416328).

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

32311162872 is a wasteful number, since it uses less digits than its factorization.

32311162872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4714 (or 4704 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The spelling of 32311162872 in words is "thirty-two billion, three hundred eleven million, one hundred sixty-two thousand, eight hundred seventy-two".