66360402122 has 32 divisors (see below), whose sum is σ = 120528051840. Its totient is φ = 26750430720.

The previous prime is 66360402091. The next prime is 66360402137. The reversal of 66360402122 is 22120406366.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296297 + ... + 469587.

It is an arithmetic number, because the mean of its divisors is an integer number (3766501620).

Almost surely, 2^66360402122 is an apocalyptic number.

66360402122 is a deficient number, since it is larger than the sum of its proper divisors (54167649718).

66360402122 is a wasteful number, since it uses less digits than its factorization.

66360402122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174926.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 66360402122 its reverse (22120406366), we get a palindrome (88480808488).

The spelling of 66360402122 in words is "sixty-six billion, three hundred sixty million, four hundred two thousand, one hundred twenty-two".