32660361216 has 650 divisors, whose sum is σ = 116596280262. Its totient is φ = 9103933440.

The previous prime is 32660361203. The next prime is 32660361221. The reversal of 32660361216 is 61216306623.

32660361216 is a `hidden beast` number, since 3 + 26 + 6 + 0 + 3 + 612 + 16 = 666.

It can be written as a sum of positive squares in only one way, i.e., 19914854400 + 12745506816 = 141120^2 + 112896^2 .

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 49 ways as a sum of consecutive naturals, for example, 796594156 + ... + 796594196.

Almost surely, 2^32660361216 is an apocalyptic number.

32660361216 is a gapful number since it is divisible by the number (36) 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 32660361216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58298140131).

32660361216 is an abundant number, since it is smaller than the sum of its proper divisors (83935919046).

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

32660361216 is an frugal number, since it uses more digits than its factorization.

32660361216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

Adding to 32660361216 its reverse (61216306623), we get a palindrome (93876667839).

The spelling of 32660361216 in words is "thirty-two billion, six hundred sixty million, three hundred sixty-one thousand, two hundred sixteen".