345064643065665 has 32 divisors (see below), whose sum is σ = 613516790534400. Its totient is φ = 184013915443200.

The previous prime is 345064643065619. The next prime is 345064643065691. The reversal of 345064643065665 is 566560346460543.

345064643065665 is a `hidden beast` number, since 3 + 4 + 5 + 0 + 6 + 4 + 64 + 3 + 0 + 6 + 566 + 5 = 666.

It is not a de Polignac number, because 345064643065665 - 2⁴⁵ = 309880270976833 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 141570880 + ... + 143987649.

It is an arithmetic number, because the mean of its divisors is an integer number (19172399704200).

Almost surely, 2^{345064643065665} is an apocalyptic number.

It is an amenable number.

345064643065665 is a deficient number, since it is larger than the sum of its proper divisors (268452147468735).

345064643065665 is a wasteful number, since it uses less digits than its factorization.

345064643065665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285567494 (or 285567488 counting only the distinct ones).

The product of its (nonzero) digits is 559872000, while the sum is 63.

The spelling of 345064643065665 in words is "three hundred forty-five trillion, sixty-four billion, six hundred forty-three million, sixty-five thousand, six hundred sixty-five".