1668450270034 has 4 divisors (see below), whose sum is σ = 2502675405054. Its totient is φ = 834225135016.

The previous prime is 1668450270013. The next prime is 1668450270103. The reversal of 1668450270034 is 4300720548661.

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

It can be written as a sum of positive squares in only one way, i.e., 1583155315225 + 85294954809 = 1258235^2 + 292053^2 .

It is a super-2 number, since 2×1668450270034² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 417112567507 + ... + 417112567510.

Almost surely, 2^{1668450270034} is an apocalyptic number.

1668450270034 is a deficient number, since it is larger than the sum of its proper divisors (834225135020).

1668450270034 is an equidigital number, since it uses as much as digits as its factorization.

1668450270034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834225135019.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 1668450270034 in words is "one trillion, six hundred sixty-eight billion, four hundred fifty million, two hundred seventy thousand, thirty-four".