3833116656381 has 6 divisors (see below), whose sum is σ = 5536724059230. Its totient is φ = 2555411104248.

The previous prime is 3833116656377. The next prime is 3833116656401. The reversal of 3833116656381 is 1836566113383.

3833116656381 is a `hidden beast` number, since 3 + 8 + 3 + 3 + 11 + 66 + 563 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3183333956100 + 649782700281 = 1784190^2 + 806091^2 .

It is not a de Polignac number, because 3833116656381 - 2² = 3833116656377 is a prime.

It is a super-2 number, since 2×3833116656381² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3833116656311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 212950925346 + ... + 212950925363.

It is an arithmetic number, because the mean of its divisors is an integer number (922787343205).

Almost surely, 2^{3833116656381} is an apocalyptic number.

It is an amenable number.

3833116656381 is a deficient number, since it is larger than the sum of its proper divisors (1703607402849).

3833116656381 is a wasteful number, since it uses less digits than its factorization.

3833116656381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425901850715 (or 425901850712 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The spelling of 3833116656381 in words is "three trillion, eight hundred thirty-three billion, one hundred sixteen million, six hundred fifty-six thousand, three hundred eighty-one".