66076625612 has 12 divisors (see below), whose sum is σ = 119364227136. Its totient is φ = 31972560720.

The previous prime is 66076625561. The next prime is 66076625617. The reversal of 66076625612 is 21652667066.

It is a happy number.

It is a super-2 number, since 2×66076625612² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (66076625617) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 266437883 + ... + 266438130.

It is an arithmetic number, because the mean of its divisors is an integer number (9947018928).

Almost surely, 2^66076625612 is an apocalyptic number.

66076625612 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

66076625612 is a deficient number, since it is larger than the sum of its proper divisors (53287601524).

66076625612 is a wasteful number, since it uses less digits than its factorization.

66076625612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532876048 (or 532876046 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 66076625612 in words is "sixty-six billion, seventy-six million, six hundred twenty-five thousand, six hundred twelve".