60668311860 has 144 divisors (see below), whose sum is σ = 198285940944. Its totient is φ = 14925993984.

The previous prime is 60668311831. The next prime is 60668311867. The reversal of 60668311860 is 6811386606.

60668311860 is a `hidden beast` number, since 606 + 6 + 8 + 31 + 1 + 8 + 6 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 25514311824 + 35154000036 = 159732^2 + 187494^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60668311867) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5453664 + ... + 5464776.

It is an arithmetic number, because the mean of its divisors is an integer number (1376985701).

Almost surely, 2^60668311860 is an apocalyptic number.

60668311860 is a gapful number since it is divisible by the number (60) 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 60668311860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99142970472).

60668311860 is an abundant number, since it is smaller than the sum of its proper divisors (137617629084).

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

60668311860 is a wasteful number, since it uses less digits than its factorization.

60668311860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13474 (or 13469 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 60668311860 in words is "sixty billion, six hundred sixty-eight million, three hundred eleven thousand, eight hundred sixty".