2861051316668 has 12 divisors (see below), whose sum is σ = 5007789365040. Its totient is φ = 1430254355232.

The previous prime is 2861051316649. The next prime is 2861051316679. The reversal of 2861051316668 is 8666131501682.

It is a happy number.

2861051316668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2861051316668² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67802048 + ... + 67844231.

It is an arithmetic number, because the mean of its divisors is an integer number (417315780420).

Almost surely, 2^{2861051316668} is an apocalyptic number.

It is an amenable number.

2861051316668 is a deficient number, since it is larger than the sum of its proper divisors (2146738048372).

2861051316668 is a wasteful number, since it uses less digits than its factorization.

2861051316668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135651556 (or 135651554 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 2861051316668 in words is "two trillion, eight hundred sixty-one billion, fifty-one million, three hundred sixteen thousand, six hundred sixty-eight".