66114610208 has 12 divisors (see below), whose sum is σ = 130163138910. Its totient is φ = 33057305088.

The previous prime is 66114610117. The next prime is 66114610249. The reversal of 66114610208 is 80201641166.

It can be written as a sum of positive squares in only one way, i.e., 54227505424 + 11887104784 = 232868^2 + 109028^2 .

It is a super-2 number, since 2×66114610208² (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 as a sum of consecutive naturals, namely, 1033040753 + ... + 1033040816.

Almost surely, 2^66114610208 is an apocalyptic number.

It is an amenable number.

66114610208 is a deficient number, since it is larger than the sum of its proper divisors (64048528702).

66114610208 is a wasteful number, since it uses less digits than its factorization.

66114610208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066081579 (or 2066081571 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 35.

The spelling of 66114610208 in words is "sixty-six billion, one hundred fourteen million, six hundred ten thousand, two hundred eight".