1669134343 has 8 divisors (see below), whose sum is σ = 1718856128. Its totient is φ = 1619655264.

The previous prime is 1669134319. The next prime is 1669134347. The reversal of 1669134343 is 3434319661.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1669134343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1669134296 and 1669134305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1669134347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46671 + ... + 74272.

It is an arithmetic number, because the mean of its divisors is an integer number (214857016).

Almost surely, 2^1669134343 is an apocalyptic number.

1669134343 is a deficient number, since it is larger than the sum of its proper divisors (49721785).

1669134343 is a wasteful number, since it uses less digits than its factorization.

1669134343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121353.

The product of its digits is 139968, while the sum is 40.

The square root of 1669134343 is about 40855.0406070047. The cubic root of 1669134343 is about 1186.2159637033.

The spelling of 1669134343 in words is "one billion, six hundred sixty-nine million, one hundred thirty-four thousand, three hundred forty-three".