1668667003351 has 8 divisors (see below), whose sum is σ = 1671393724560. Its totient is φ = 1665942508992.

The previous prime is 1668667003313. The next prime is 1668667003357. The reversal of 1668667003351 is 1533007668661.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1668667003351 - 2²³ = 1668658614743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1668667003357) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 946501 + ... + 2057473.

It is an arithmetic number, because the mean of its divisors is an integer number (208924215570).

Almost surely, 2^{1668667003351} is an apocalyptic number.

1668667003351 is a deficient number, since it is larger than the sum of its proper divisors (2726721209).

1668667003351 is a wasteful number, since it uses less digits than its factorization.

1668667003351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113425.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 1668667003351 in words is "one trillion, six hundred sixty-eight billion, six hundred sixty-seven million, three thousand, three hundred fifty-one".