60621216066 has 24 divisors (see below), whose sum is σ = 131353073280. Its totient is φ = 20205978936.

The previous prime is 60621216059. The next prime is 60621216067. The reversal of 60621216066 is 66061212606.

It is a happy number.

60621216066 is a `hidden beast` number, since 6 + 0 + 6 + 21 + 21 + 606 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 60621216066.

It is not an unprimeable number, because it can be changed into a prime (60621216067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 295171 + ... + 456473.

It is an arithmetic number, because the mean of its divisors is an integer number (5473044720).

Almost surely, 2^60621216066 is an apocalyptic number.

60621216066 is an abundant number, since it is smaller than the sum of its proper divisors (70731857214).

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

60621216066 is a wasteful number, since it uses less digits than its factorization.

60621216066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182190 (or 182187 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 60621216066 in words is "sixty billion, six hundred twenty-one million, two hundred sixteen thousand, sixty-six".