1666867033352 has 32 divisors (see below), whose sum is σ = 3200346936000. Its totient is φ = 813599227584.

The previous prime is 1666867033313. The next prime is 1666867033387. The reversal of 1666867033352 is 2533307686661.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9793238 + ... + 9961989.

It is an arithmetic number, because the mean of its divisors is an integer number (100010841750).

Almost surely, 2^{1666867033352} is an apocalyptic number.

It is an amenable number.

1666867033352 is a deficient number, since it is larger than the sum of its proper divisors (1533479902648).

1666867033352 is a wasteful number, since it uses less digits than its factorization.

1666867033352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19755485 (or 19755481 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 56.

The spelling of 1666867033352 in words is "one trillion, six hundred sixty-six billion, eight hundred sixty-seven million, thirty-three thousand, three hundred fifty-two".