8650041561 has 24 divisors (see below), whose sum is σ = 14302566720. Its totient is φ = 4934873376.

The previous prime is 8650041529. The next prime is 8650041571. The reversal of 8650041561 is 1651400568.

8650041561 is a `hidden beast` number, since 8 + 6 + 50 + 0 + 41 + 561 = 666.

It is not a de Polignac number, because 8650041561 - 2⁵ = 8650041529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8650041571) 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, 71910 + ... + 149903.

It is an arithmetic number, because the mean of its divisors is an integer number (595940280).

Almost surely, 2^8650041561 is an apocalyptic number.

It is an amenable number.

8650041561 is a deficient number, since it is larger than the sum of its proper divisors (5652525159).

8650041561 is a wasteful number, since it uses less digits than its factorization.

8650041561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222445 (or 222442 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 8650041561 is about 93005.5996217432. The cubic root of 8650041561 is about 2052.7657739745.

The spelling of 8650041561 in words is "eight billion, six hundred fifty million, forty-one thousand, five hundred sixty-one".