1669359434351 has 16 divisors (see below), whose sum is σ = 1937110442496. Its totient is φ = 1408943755296.

The previous prime is 1669359434329. The next prime is 1669359434371. The reversal of 1669359434351 is 1534349539661.

It is not a de Polignac number, because 1669359434351 - 2¹⁰ = 1669359433327 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 (1669359434371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 412670 + ... + 1873236.

It is an arithmetic number, because the mean of its divisors is an integer number (121069402656).

Almost surely, 2^{1669359434351} is an apocalyptic number.

1669359434351 is a deficient number, since it is larger than the sum of its proper divisors (267751008145).

1669359434351 is a wasteful number, since it uses less digits than its factorization.

1669359434351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463078.

The product of its digits is 31492800, while the sum is 59.

The spelling of 1669359434351 in words is "one trillion, six hundred sixty-nine billion, three hundred fifty-nine million, four hundred thirty-four thousand, three hundred fifty-one".