534678881106681 has 24 divisors (see below), whose sum is σ = 797290334390784. Its totient is φ = 344926838998080.

The previous prime is 534678881106647. The next prime is 534678881106691. The reversal of 534678881106681 is 186601188876435.

534678881106681 is a `hidden beast` number, since 5 + 3 + 467 + 8 + 8 + 81 + 1 + 0 + 6 + 6 + 81 = 666.

It is not a de Polignac number, because 534678881106681 - 2¹⁴ = 534678881090297 is a prime.

It is a super-2 number, since 2×534678881106681² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (534678881106611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72236956 + ... + 79293981.

It is an arithmetic number, because the mean of its divisors is an integer number (33220430599616).

Almost surely, 2^{534678881106681} is an apocalyptic number.

It is an amenable number.

534678881106681 is a deficient number, since it is larger than the sum of its proper divisors (262611453284103).

534678881106681 is a wasteful number, since it uses less digits than its factorization.

534678881106681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151543621 (or 151543618 counting only the distinct ones).

The product of its (nonzero) digits is 371589120, while the sum is 72.

The spelling of 534678881106681 in words is "five hundred thirty-four trillion, six hundred seventy-eight billion, eight hundred eighty-one million, one hundred six thousand, six hundred eighty-one".