3161138756568 has 32 divisors (see below), whose sum is σ = 8510758191600. Its totient is φ = 972658078848.

The previous prime is 3161138756539. The next prime is 3161138756683. The reversal of 3161138756568 is 8656578311613.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 5065927183 + ... + 5065927806.

Almost surely, 2^{3161138756568} is an apocalyptic number.

It is an amenable number.

3161138756568 is an abundant number, since it is smaller than the sum of its proper divisors (5349619435032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3161138756568 is a wasteful number, since it uses less digits than its factorization.

3161138756568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10131855011 (or 10131855007 counting only the distinct ones).

The product of its digits is 21772800, while the sum is 60.

The spelling of 3161138756568 in words is "three trillion, one hundred sixty-one billion, one hundred thirty-eight million, seven hundred fifty-six thousand, five hundred sixty-eight".