66376322116 has 12 divisors (see below), whose sum is σ = 125093837932. Its totient is φ = 30635225568.

The previous prime is 66376322099. The next prime is 66376322123. The reversal of 66376322116 is 61122367366.

It can be written as a sum of positive squares in 2 ways, for example, as 14641000000 + 51735322116 = 121000^2 + 227454^2 .

It is a super-2 number, since 2×66376322116² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 638233815 + ... + 638233918.

Almost surely, 2^66376322116 is an apocalyptic number.

It is an amenable number.

66376322116 is a deficient number, since it is larger than the sum of its proper divisors (58717515816).

66376322116 is a wasteful number, since it uses less digits than its factorization.

66376322116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276467750 (or 1276467748 counting only the distinct ones).

The product of its digits is 326592, while the sum is 43.

The spelling of 66376322116 in words is "sixty-six billion, three hundred seventy-six million, three hundred twenty-two thousand, one hundred sixteen".