30216516 has 24 divisors (see below), whose sum is σ = 76915104. Its totient is φ = 9156480.

The previous prime is 30216509. The next prime is 30216547. The reversal of 30216516 is 61561203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114325 + ... + 114588.

It is an arithmetic number, because the mean of its divisors is an integer number (3204796).

Almost surely, 2^30216516 is an apocalyptic number.

It is an amenable number.

30216516 is an abundant number, since it is smaller than the sum of its proper divisors (46698588).

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

30216516 is a wasteful number, since it uses less digits than its factorization.

30216516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228931 (or 228929 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 30216516 is about 5496.9551571757. The cubic root of 30216516 is about 311.4689767255.

Adding to 30216516 its reverse (61561203), we get a palindrome (91777719).

The spelling of 30216516 in words is "thirty million, two hundred sixteen thousand, five hundred sixteen".