7099996120666 has 4 divisors (see below), whose sum is σ = 10649994181002. Its totient is φ = 3549998060332.

The previous prime is 7099996120643. The next prime is 7099996120687. The reversal of 7099996120666 is 6660216999907.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6274669295041 + 825326825625 = 2504929^2 + 908475^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7099996120595 and 7099996120604.

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 as a sum of consecutive naturals, namely, 1774999030165 + ... + 1774999030168.

Almost surely, 2^{7099996120666} is an apocalyptic number.

7099996120666 is a deficient number, since it is larger than the sum of its proper divisors (3549998060336).

7099996120666 is a wasteful number, since it uses less digits than its factorization.

7099996120666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549998060335.

The product of its (nonzero) digits is 119042784, while the sum is 70.

The spelling of 7099996120666 in words is "seven trillion, ninety-nine billion, nine hundred ninety-six million, one hundred twenty thousand, six hundred sixty-six".