3311327661 has 8 divisors (see below), whose sum is σ = 4419147360. Its totient is φ = 2205529872.

The previous prime is 3311327659. The next prime is 3311327699. The reversal of 3311327661 is 1667231133.

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

It is not a de Polignac number, because 3311327661 - 2¹ = 3311327659 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3311327611) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 501651 + ... + 508208.

It is an arithmetic number, because the mean of its divisors is an integer number (552393420).

Almost surely, 2^3311327661 is an apocalyptic number.

It is an amenable number.

3311327661 is a deficient number, since it is larger than the sum of its proper divisors (1107819699).

3311327661 is a wasteful number, since it uses less digits than its factorization.

3311327661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010955.

The product of its digits is 13608, while the sum is 33.

The square root of 3311327661 is about 57544.1366344131. The cubic root of 3311327661 is about 1490.5071109946.

Adding to 3311327661 its reverse (1667231133), we get a palindrome (4978558794).

The spelling of 3311327661 in words is "three billion, three hundred eleven million, three hundred twenty-seven thousand, six hundred sixty-one".