30168445660 has 48 divisors (see below), whose sum is σ = 63555619680. Its totient is φ = 12028993280.

The previous prime is 30168445609. The next prime is 30168445691. The reversal of 30168445660 is 6654486103.

It is a happy number.

It is a super-2 number, since 2×30168445660² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10815546 + ... + 10818334.

It is an arithmetic number, because the mean of its divisors is an integer number (1324075410).

Almost surely, 2^30168445660 is an apocalyptic number.

It is an amenable number.

30168445660 is an abundant number, since it is smaller than the sum of its proper divisors (33387174020).

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

30168445660 is a wasteful number, since it uses less digits than its factorization.

30168445660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4326 (or 4324 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 30168445660 in words is "thirty billion, one hundred sixty-eight million, four hundred forty-five thousand, six hundred sixty".