3221416165 has 32 divisors (see below), whose sum is σ = 4324358016. Its totient is φ = 2283509760.

The previous prime is 3221416147. The next prime is 3221416171. The reversal of 3221416165 is 5616141223.

It is a happy number.

It is not a de Polignac number, because 3221416165 - 2¹¹ = 3221414117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1401297 + ... + 1403593.

It is an arithmetic number, because the mean of its divisors is an integer number (135136188).

Almost surely, 2^3221416165 is an apocalyptic number.

It is an amenable number.

3221416165 is a deficient number, since it is larger than the sum of its proper divisors (1102941851).

3221416165 is a wasteful number, since it uses less digits than its factorization.

3221416165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2949.

The product of its digits is 8640, while the sum is 31.

The square root of 3221416165 is about 56757.5207791884. The cubic root of 3221416165 is about 1476.8927023184.

Adding to 3221416165 its reverse (5616141223), we get a palindrome (8837557388).

The spelling of 3221416165 in words is "three billion, two hundred twenty-one million, four hundred sixteen thousand, one hundred sixty-five".