60668123481 has 81 divisors (see below), whose sum is σ = 105100067709. Its totient is φ = 33624134208.

The previous prime is 60668123479. The next prime is 60668123491. The reversal of 60668123481 is 18432186606.

The square root of 60668123481 is 246309.

It is a perfect power (a square), and thus also a powerful number.

60668123481 is a `hidden beast` number, since 606 + 6 + 8 + 1 + 2 + 34 + 8 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 505845081 + 60162278400 = 22491^2 + 245280^2 .

It is not a de Polignac number, because 60668123481 - 2¹ = 60668123479 is a prime.

It is a super-2 number, since 2×60668123481² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (60668123491) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 191381935 + ... + 191382251.

Almost surely, 2^60668123481 is an apocalyptic number.

60668123481 is the 246309-th square number.

60668123481 is the 123155-th centered octagonal number.

It is an amenable number.

60668123481 is a deficient number, since it is larger than the sum of its proper divisors (44431944228).

60668123481 is an equidigital number, since it uses as much as digits as its factorization.

60668123481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 60668123481 in words is "sixty billion, six hundred sixty-eight million, one hundred twenty-three thousand, four hundred eighty-one".