7666704481055 has 16 divisors (see below), whose sum is σ = 9206430758400. Its totient is φ = 6129108127008.

The previous prime is 7666704481043. The next prime is 7666704481099. The reversal of 7666704481055 is 5501844076667.

It is a cyclic number.

It is not a de Polignac number, because 7666704481055 - 2⁶ = 7666704480991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7666704480985 and 7666704481003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43250996 + ... + 43427894.

It is an arithmetic number, because the mean of its divisors is an integer number (575401922400).

Almost surely, 2^{7666704481055} is an apocalyptic number.

7666704481055 is a deficient number, since it is larger than the sum of its proper divisors (1539726277345).

7666704481055 is a wasteful number, since it uses less digits than its factorization.

7666704481055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182870.

The product of its (nonzero) digits is 33868800, while the sum is 59.

The spelling of 7666704481055 in words is "seven trillion, six hundred sixty-six billion, seven hundred four million, four hundred eighty-one thousand, fifty-five".