8956181061 has 24 divisors (see below), whose sum is σ = 13198248960. Its totient is φ = 5850726336.

The previous prime is 8956181051. The next prime is 8956181063. The reversal of 8956181061 is 1601816598.

8956181061 is a `hidden beast` number, since 8 + 9 + 561 + 81 + 0 + 6 + 1 = 666.

It is not a de Polignac number, because 8956181061 - 2¹¹ = 8956179013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8956180998 and 8956181016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8956181063) 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, 139260 + ... + 193146.

It is an arithmetic number, because the mean of its divisors is an integer number (549927040).

Almost surely, 2^8956181061 is an apocalyptic number.

It is an amenable number.

8956181061 is a deficient number, since it is larger than the sum of its proper divisors (4242067899).

8956181061 is a wasteful number, since it uses less digits than its factorization.

8956181061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54265 (or 54262 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 8956181061 is about 94637.1019262530. The cubic root of 8956181061 is about 2076.7025122256.

The spelling of 8956181061 in words is "eight billion, nine hundred fifty-six million, one hundred eighty-one thousand, sixty-one".