1668353369006 has 4 divisors (see below), whose sum is σ = 2502530053512. Its totient is φ = 834176684502.

The previous prime is 1668353368961. The next prime is 1668353369029. The reversal of 1668353369006 is 6009633538661.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417088342250 + ... + 417088342253.

It is an arithmetic number, because the mean of its divisors is an integer number (625632513378).

Almost surely, 2^{1668353369006} is an apocalyptic number.

1668353369006 is a deficient number, since it is larger than the sum of its proper divisors (834176684506).

1668353369006 is an equidigital number, since it uses as much as digits as its factorization.

1668353369006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834176684505.

The product of its (nonzero) digits is 12597120, while the sum is 56.

The spelling of 1668353369006 in words is "one trillion, six hundred sixty-eight billion, three hundred fifty-three million, three hundred sixty-nine thousand, six".