3546689665 has 8 divisors (see below), whose sum is σ = 4355005248. Its totient is φ = 2771366640.

The previous prime is 3546689659. The next prime is 3546689737. The reversal of 3546689665 is 5669866453.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3546689665 - 2²⁹ = 3009818753 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8247901 + ... + 8248330.

It is an arithmetic number, because the mean of its divisors is an integer number (544375656).

Almost surely, 2^3546689665 is an apocalyptic number.

It is an amenable number.

3546689665 is a deficient number, since it is larger than the sum of its proper divisors (808315583).

3546689665 is a wasteful number, since it uses less digits than its factorization.

3546689665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16496279.

The product of its digits is 27993600, while the sum is 58.

The square root of 3546689665 is about 59554.0902457589. The cubic root of 3546689665 is about 1525.0159869326.

The spelling of 3546689665 in words is "three billion, five hundred forty-six million, six hundred eighty-nine thousand, six hundred sixty-five".