66123500310322 has 64 divisors (see below), whose sum is σ = 126379306497024. Its totient is φ = 25251463272960.

The previous prime is 66123500310299. The next prime is 66123500310331. The reversal of 66123500310322 is 22301300532166.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52321629 + ... + 53570512.

It is an arithmetic number, because the mean of its divisors is an integer number (1974676664016).

Almost surely, 2^{66123500310322} is an apocalyptic number.

66123500310322 is a deficient number, since it is larger than the sum of its proper divisors (60255806186702).

66123500310322 is a wasteful number, since it uses less digits than its factorization.

66123500310322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105892283.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 66123500310322 its reverse (22301300532166), we get a palindrome (88424800842488).

The spelling of 66123500310322 in words is "sixty-six trillion, one hundred twenty-three billion, five hundred million, three hundred ten thousand, three hundred twenty-two".