3345216605 has 16 divisors (see below), whose sum is σ = 4163903040. Its totient is φ = 2578117248.

The previous prime is 3345216569. The next prime is 3345216643. The reversal of 3345216605 is 5066125433.

It is a cyclic number.

It is not a de Polignac number, because 3345216605 - 2⁸ = 3345216349 is a prime.

It is a super-2 number, since 2×3345216605² = 22380948268735452050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90875 + ... + 122264.

It is an arithmetic number, because the mean of its divisors is an integer number (260243940).

Almost surely, 2^3345216605 is an apocalyptic number.

It is an amenable number.

3345216605 is a deficient number, since it is larger than the sum of its proper divisors (818686435).

3345216605 is a wasteful number, since it uses less digits than its factorization.

3345216605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213260.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 3345216605 is about 57837.8475135443. The cubic root of 3345216605 is about 1495.5746019261.

The spelling of 3345216605 in words is "three billion, three hundred forty-five million, two hundred sixteen thousand, six hundred five".