61968221232 has 80 divisors (see below), whose sum is σ = 172429023360. Its totient is φ = 19113808896.

The previous prime is 61968221207. The next prime is 61968221243. The reversal of 61968221232 is 23212286916.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 750873 + ... + 829304.

It is an arithmetic number, because the mean of its divisors is an integer number (2155362792).

Almost surely, 2^61968221232 is an apocalyptic number.

It is an amenable number.

61968221232 is an abundant number, since it is smaller than the sum of its proper divisors (110460802128).

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

61968221232 is a wasteful number, since it uses less digits than its factorization.

61968221232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1580250 (or 1580244 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The spelling of 61968221232 in words is "sixty-one billion, nine hundred sixty-eight million, two hundred twenty-one thousand, two hundred thirty-two".