18966528030 has 32 divisors (see below), whose sum is σ = 45782799264. Its totient is φ = 5028503936.

The previous prime is 18966528017. The next prime is 18966528037. The reversal of 18966528030 is 3082566981.

It is a happy number.

18966528030 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18966528037) 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, 1822029 + ... + 1832408.

It is an arithmetic number, because the mean of its divisors is an integer number (1430712477).

Almost surely, 2^18966528030 is an apocalyptic number.

18966528030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18966528030 is an abundant number, since it is smaller than the sum of its proper divisors (26816271234).

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

18966528030 is a wasteful number, since it uses less digits than its factorization.

18966528030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3654620.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 18966528030 in words is "eighteen billion, nine hundred sixty-six million, five hundred twenty-eight thousand, thirty".