30111066 has 24 divisors (see below), whose sum is σ = 65392704. Its totient is φ = 10013640.

The previous prime is 30111043. The next prime is 30111079. The reversal of 30111066 is 66011103.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7135 + ... + 10541.

It is an arithmetic number, because the mean of its divisors is an integer number (2724696).

Almost surely, 2^30111066 is an apocalyptic number.

30111066 is an abundant number, since it is smaller than the sum of its proper divisors (35281638).

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

30111066 is a wasteful number, since it uses less digits than its factorization.

30111066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3906 (or 3903 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 30111066 is about 5487.3551005926. The cubic root of 30111066 is about 311.1062315656.

Adding to 30111066 its reverse (66011103), we get a palindrome (96122169).

The spelling of 30111066 in words is "thirty million, one hundred eleven thousand, sixty-six".