3287611067668 has 6 divisors (see below), whose sum is σ = 5753319368426. Its totient is φ = 1643805533832.

The previous prime is 3287611067647. The next prime is 3287611067669. The reversal of 3287611067668 is 8667601167823.

It can be written as a sum of positive squares in only one way, i.e., 2780983146384 + 506627921284 = 1667628^2 + 711778^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3287611067669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410951383455 + ... + 410951383462.

Almost surely, 2^{3287611067668} is an apocalyptic number.

It is an amenable number.

3287611067668 is a deficient number, since it is larger than the sum of its proper divisors (2465708300758).

3287611067668 is a wasteful number, since it uses less digits than its factorization.

3287611067668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821902766921 (or 821902766919 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 61.

The spelling of 3287611067668 in words is "three trillion, two hundred eighty-seven billion, six hundred eleven million, sixty-seven thousand, six hundred sixty-eight".