47168548660881 has 24 divisors (see below), whose sum is σ = 68245634713256. Its totient is φ = 31393416188160.

The previous prime is 47168548660777. The next prime is 47168548660913. The reversal of 47168548660881 is 18806684586174.

47168548660881 is a `hidden beast` number, since 4 + 7 + 1 + 6 + 8 + 5 + 4 + 8 + 6 + 608 + 8 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1761435950481 + 45407112710400 = 1327191^2 + 6738480^2 .

It is not a de Polignac number, because 47168548660881 - 2⁴² = 42770502149777 is a prime.

It is a super-2 number, since 2×47168548660881² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47168548661881) 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, 203864421 + ... + 204095661.

Almost surely, 2^{47168548660881} is an apocalyptic number.

It is an amenable number.

47168548660881 is a deficient number, since it is larger than the sum of its proper divisors (21077086052375).

47168548660881 is a wasteful number, since it uses less digits than its factorization.

47168548660881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268833 (or 268830 counting only the distinct ones).

The product of its (nonzero) digits is 495452160, while the sum is 72.

The spelling of 47168548660881 in words is "forty-seven trillion, one hundred sixty-eight billion, five hundred forty-eight million, six hundred sixty thousand, eight hundred eighty-one".