66422365103 has 2 divisors, whose sum is σ = 66422365104. Its totient is φ = 66422365102.

The previous prime is 66422365081. The next prime is 66422365151. The reversal of 66422365103 is 30156322466.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66422365103 - 2²⁴ = 66405587887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66422365153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33211182551 + 33211182552.

It is an arithmetic number, because the mean of its divisors is an integer number (33211182552).

Almost surely, 2^66422365103 is an apocalyptic number.

66422365103 is a deficient number, since it is larger than the sum of its proper divisors (1).

66422365103 is an equidigital number, since it uses as much as digits as its factorization.

66422365103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 66422365103 its reverse (30156322466), we get a palindrome (96578687569).

The spelling of 66422365103 in words is "sixty-six billion, four hundred twenty-two million, three hundred sixty-five thousand, one hundred three".