181046676681 has 24 divisors (see below), whose sum is σ = 282623367936. Its totient is φ = 111019632480.

The previous prime is 181046676659. The next prime is 181046676757. The reversal of 181046676681 is 186676640181.

It is not a de Polignac number, because 181046676681 - 2²² = 181042482377 is a prime.

It is a super-2 number, since 2×181046676681² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (181046676581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2700825 + ... + 2767046.

It is an arithmetic number, because the mean of its divisors is an integer number (11775973664).

Almost surely, 2^181046676681 is an apocalyptic number.

It is an amenable number.

181046676681 is a deficient number, since it is larger than the sum of its proper divisors (101576691255).

181046676681 is a wasteful number, since it uses less digits than its factorization.

181046676681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468173 (or 5468170 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 181046676681 in words is "one hundred eighty-one billion, forty-six million, six hundred seventy-six thousand, six hundred eighty-one".