5681665938276 has 384 divisors, whose sum is σ = 16287587205120. Its totient is φ = 1704983040000.

The previous prime is 5681665938241. The next prime is 5681665938281. The reversal of 5681665938276 is 6728395661865.

5681665938276 is a `hidden beast` number, since 5 + 6 + 8 + 1 + 6 + 6 + 593 + 8 + 27 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1957169041 + ... + 1957171943.

It is an arithmetic number, because the mean of its divisors is an integer number (42415591680).

Almost surely, 2^{5681665938276} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5681665938276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8143793602560).

5681665938276 is an abundant number, since it is smaller than the sum of its proper divisors (10605921266844).

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

5681665938276 is a wasteful number, since it uses less digits than its factorization.

5681665938276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3352 (or 3344 counting only the distinct ones).

The product of its digits is 783820800, while the sum is 72.

The spelling of 5681665938276 in words is "five trillion, six hundred eighty-one billion, six hundred sixty-five million, nine hundred thirty-eight thousand, two hundred seventy-six".