66511276102 has 16 divisors (see below), whose sum is σ = 105644634480. Its totient is φ = 31296734208.

The previous prime is 66511276081. The next prime is 66511276121. The reversal of 66511276102 is 20167211566.

It is a happy number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 349849 + ... + 505387.

It is an arithmetic number, because the mean of its divisors is an integer number (6602789655).

Almost surely, 2^66511276102 is an apocalyptic number.

66511276102 is a deficient number, since it is larger than the sum of its proper divisors (39133358378).

66511276102 is a wasteful number, since it uses less digits than its factorization.

66511276102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168135.

The product of its (nonzero) digits is 30240, while the sum is 37.

Adding to 66511276102 its reverse (20167211566), we get a palindrome (86678487668).

The spelling of 66511276102 in words is "sixty-six billion, five hundred eleven million, two hundred seventy-six thousand, one hundred two".