7538135047666 has 8 divisors (see below), whose sum is σ = 11547781349760. Its totient is φ = 3688874597748.

The previous prime is 7538135047643. The next prime is 7538135047691. The reversal of 7538135047666 is 6667405318357.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40096462926 + ... + 40096463113.

It is an arithmetic number, because the mean of its divisors is an integer number (1443472668720).

Almost surely, 2^{7538135047666} is an apocalyptic number.

7538135047666 is a deficient number, since it is larger than the sum of its proper divisors (4009646302094).

7538135047666 is a wasteful number, since it uses less digits than its factorization.

7538135047666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80192926088.

The product of its (nonzero) digits is 76204800, while the sum is 61.

The spelling of 7538135047666 in words is "seven trillion, five hundred thirty-eight billion, one hundred thirty-five million, forty-seven thousand, six hundred sixty-six".