1669134342 has 16 divisors (see below), whose sum is σ = 3383999280. Its totient is φ = 548756352.

The previous prime is 1669134319. The next prime is 1669134347. The reversal of 1669134342 is 2434319661.

It is a self number, because there is not a number n which added to its sum of digits gives 1669134342.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1904967 + ... + 1905842.

It is an arithmetic number, because the mean of its divisors is an integer number (211499955).

Almost surely, 2^1669134342 is an apocalyptic number.

1669134342 is an abundant number, since it is smaller than the sum of its proper divisors (1714864938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1669134342 is a wasteful number, since it uses less digits than its factorization.

1669134342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810887.

The product of its digits is 93312, while the sum is 39.

The square root of 1669134342 is about 40855.0405947663. The cubic root of 1669134342 is about 1186.2159634664.

The spelling of 1669134342 in words is "one billion, six hundred sixty-nine million, one hundred thirty-four thousand, three hundred forty-two".