66465120302430 has 32 divisors (see below), whose sum is σ = 159518010779424. Its totient is φ = 17723840741376.

The previous prime is 66465120302387. The next prime is 66465120302513. The reversal of 66465120302430 is 3420302156466.

It is a happy number.

It is a super-2 number, since 2×66465120302430² (a number of 28 digits) contains 22 as substring.

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, 9122419 + ... + 14701998.

It is an arithmetic number, because the mean of its divisors is an integer number (4984937836857).

Almost surely, 2^{66465120302430} is an apocalyptic number.

66465120302430 is an abundant number, since it is smaller than the sum of its proper divisors (93052890476994).

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

66465120302430 is a wasteful number, since it uses less digits than its factorization.

66465120302430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23917420.

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 66465120302430 its reverse (3420302156466), we get a palindrome (69885422458896).

The spelling of 66465120302430 in words is "sixty-six trillion, four hundred sixty-five billion, one hundred twenty million, three hundred two thousand, four hundred thirty".