342065665 has 16 divisors (see below), whose sum is σ = 421303680. Its totient is φ = 266462080.

The previous prime is 342065651. The next prime is 342065681. The reversal of 342065665 is 566560243.

It is not a de Polignac number, because 342065665 - 2¹⁵ = 342032897 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131346 + ... + 133924.

It is an arithmetic number, because the mean of its divisors is an integer number (26331480).

Almost surely, 2^342065665 is an apocalyptic number.

It is an amenable number.

342065665 is a deficient number, since it is larger than the sum of its proper divisors (79238015).

342065665 is a wasteful number, since it uses less digits than its factorization.

342065665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 342065665 is about 18495.0173019654. The cubic root of 342065665 is about 699.3638199557.

The spelling of 342065665 in words is "three hundred forty-two million, sixty-five thousand, six hundred sixty-five".