7666376736667 has 24 divisors (see below), whose sum is σ = 8938678302288. Its totient is φ = 6547474053120.

The previous prime is 7666376736653. The next prime is 7666376736679.

7666376736667 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7666376736667 - 2⁷ = 7666376736539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7666376736593 and 7666376736602.

It is not an unprimeable number, because it can be changed into a prime (7666376736637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2281558 + ... + 4531915.

It is an arithmetic number, because the mean of its divisors is an integer number (372444929262).

Almost surely, 2^{7666376736667} is an apocalyptic number.

7666376736667 is a deficient number, since it is larger than the sum of its proper divisors (1272301565621).

7666376736667 is a wasteful number, since it uses less digits than its factorization.

7666376736667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6814059 (or 6814048 counting only the distinct ones).

The product of its digits is 6049137024, while the sum is 76.

The spelling of 7666376736667 in words is "seven trillion, six hundred sixty-six billion, three hundred seventy-six million, seven hundred thirty-six thousand, six hundred sixty-seven".