30168721830108 has 48 divisors (see below), whose sum is σ = 70536729176480. Its totient is φ = 10035825640704.

The previous prime is 30168721830097. The next prime is 30168721830157. The reversal of 30168721830108 is 80103812786103.

It is a happy number.

It is a congruent number.

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, 10816866 + ... + 13316982.

Almost surely, 2^{30168721830108} is an apocalyptic number.

It is an amenable number.

30168721830108 is an abundant number, since it is smaller than the sum of its proper divisors (40368007346372).

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

30168721830108 is a wasteful number, since it uses less digits than its factorization.

30168721830108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502166 (or 2502164 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 30168721830108 in words is "thirty trillion, one hundred sixty-eight billion, seven hundred twenty-one million, eight hundred thirty thousand, one hundred eight".