66312306030 has 32 divisors (see below), whose sum is σ = 167525827200. Its totient is φ = 16752582432.

The previous prime is 66312306029. The next prime is 66312306061. The reversal of 66312306030 is 3060321366.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent 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, 58168120 + ... + 58169259.

It is an arithmetic number, because the mean of its divisors is an integer number (5235182100).

Almost surely, 2^66312306030 is an apocalyptic number.

66312306030 is an abundant number, since it is smaller than the sum of its proper divisors (101213521170).

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

66312306030 is a wasteful number, since it uses less digits than its factorization.

66312306030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116337408.

The product of its (nonzero) digits is 11664, while the sum is 30.

Adding to 66312306030 its reverse (3060321366), we get a palindrome (69372627396).

The spelling of 66312306030 in words is "sixty-six billion, three hundred twelve million, three hundred six thousand, thirty".