66076721226120 has 128 divisors (see below), whose sum is σ = 216292784976000. Its totient is φ = 16015510394880.

The previous prime is 66076721226091. The next prime is 66076721226133. The reversal of 66076721226120 is 2162212767066.

66076721226120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×66076721226120² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66076721226120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2025996 + ... + 11672964.

It is an arithmetic number, because the mean of its divisors is an integer number (1689787382625).

Almost surely, 2^{66076721226120} is an apocalyptic number.

66076721226120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

66076721226120 is an abundant number, since it is smaller than the sum of its proper divisors (150216063749880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

66076721226120 is a wasteful number, since it uses less digits than its factorization.

66076721226120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9652183 (or 9652179 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 66076721226120 in words is "sixty-six trillion, seventy-six billion, seven hundred twenty-one million, two hundred twenty-six thousand, one hundred twenty".