343665566343 has 32 divisors (see below), whose sum is σ = 555644517120. Its totient is φ = 208197629280.

The previous prime is 343665566317. The next prime is 343665566371.

It is a happy number.

343665566343 is a `hidden beast` number, since 3 + 4 + 36 + 6 + 5 + 566 + 3 + 43 = 666.

343665566343 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 343665566343 - 2⁵ = 343665566311 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 343665566343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343665566393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 502096 + ... + 969242.

It is an arithmetic number, because the mean of its divisors is an integer number (17363891160).

Almost surely, 2^343665566343 is an apocalyptic number.

343665566343 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

343665566343 is a deficient number, since it is larger than the sum of its proper divisors (211978950777).

343665566343 is a wasteful number, since it uses less digits than its factorization.

343665566343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469644 (or 469638 counting only the distinct ones).

The product of its digits is 41990400, while the sum is 54.

The spelling of 343665566343 in words is "three hundred forty-three billion, six hundred sixty-five million, five hundred sixty-six thousand, three hundred forty-three".