30016324416621 has 16 divisors (see below), whose sum is σ = 40078108627200. Its totient is φ = 19982712522048.

The previous prime is 30016324416571. The next prime is 30016324416647. The reversal of 30016324416621 is 12661442361003.

It is not a de Polignac number, because 30016324416621 - 2³⁰ = 30015250674797 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30016324416621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30016324416671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248920075 + ... + 249040631.

It is an arithmetic number, because the mean of its divisors is an integer number (2504881789200).

Almost surely, 2^{30016324416621} is an apocalyptic number.

It is an amenable number.

30016324416621 is a deficient number, since it is larger than the sum of its proper divisors (10061784210579).

30016324416621 is a wasteful number, since it uses less digits than its factorization.

30016324416621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236708.

The product of its (nonzero) digits is 124416, while the sum is 39.

Adding to 30016324416621 its reverse (12661442361003), we get a palindrome (42677766777624).

The spelling of 30016324416621 in words is "thirty trillion, sixteen billion, three hundred twenty-four million, four hundred sixteen thousand, six hundred twenty-one".