1213460733666 has 32 divisors (see below), whose sum is σ = 2501488300608. Its totient is φ = 392196430080.

The previous prime is 1213460733599. The next prime is 1213460733689. The reversal of 1213460733666 is 6663370643121.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 17130115 + ... + 17200806.

It is an arithmetic number, because the mean of its divisors is an integer number (78171509394).

Almost surely, 2^{1213460733666} is an apocalyptic number.

1213460733666 is an abundant number, since it is smaller than the sum of its proper divisors (1288027566942).

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

1213460733666 is a wasteful number, since it uses less digits than its factorization.

1213460733666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34331106.

The product of its (nonzero) digits is 1959552, while the sum is 48.

The spelling of 1213460733666 in words is "one trillion, two hundred thirteen billion, four hundred sixty million, seven hundred thirty-three thousand, six hundred sixty-six".