340656066 has 24 divisors (see below), whose sum is σ = 739156860. Its totient is φ = 113387616.

The previous prime is 340656023. The next prime is 340656067. The reversal of 340656066 is 660656043.

340656066 is a `hidden beast` number, since 3 + 40 + 6 + 5 + 606 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 239351841 + 101304225 = 15471^2 + 10065^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 340656066.

It is not an unprimeable number, because it can be changed into a prime (340656067) 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 11 ways as a sum of consecutive naturals, for example, 585 + ... + 26108.

Almost surely, 2^340656066 is an apocalyptic number.

340656066 is an abundant number, since it is smaller than the sum of its proper divisors (398500794).

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

340656066 is a wasteful number, since it uses less digits than its factorization.

340656066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27410 (or 27407 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 340656066 is about 18456.8704281089. The cubic root of 340656066 is about 698.4018411205.

The spelling of 340656066 in words is "three hundred forty million, six hundred fifty-six thousand, sixty-six".