30216066 has 32 divisors (see below), whose sum is σ = 63341568. Its totient is φ = 9591120.

The previous prime is 30216049. The next prime is 30216077. The reversal of 30216066 is 66061203.

It is a Curzon 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, 47571 + ... + 48201.

It is an arithmetic number, because the mean of its divisors is an integer number (1979424).

Almost surely, 2^30216066 is an apocalyptic number.

30216066 is an abundant number, since it is smaller than the sum of its proper divisors (33125502).

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

30216066 is a wasteful number, since it uses less digits than its factorization.

30216066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 30216066 is about 5496.9142252722. The cubic root of 30216066 is about 311.4674305321.

Adding to 30216066 its reverse (66061203), we get a palindrome (96277269).

The spelling of 30216066 in words is "thirty million, two hundred sixteen thousand, sixty-six".