8104600661 has 8 divisors (see below), whose sum is σ = 8387558400. Its totient is φ = 7822987920.

The previous prime is 8104600649. The next prime is 8104600687. The reversal of 8104600661 is 1660064018.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8104600661 - 2¹⁴ = 8104584277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8104605661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 323981 + ... + 348098.

It is an arithmetic number, because the mean of its divisors is an integer number (1048444800).

Almost surely, 2^8104600661 is an apocalyptic number.

It is an amenable number.

8104600661 is a deficient number, since it is larger than the sum of its proper divisors (282957739).

8104600661 is a wasteful number, since it uses less digits than its factorization.

8104600661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672499.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 8104600661 is about 90025.5555995074. Note that the first 4 decimals coincide. The cubic root of 8104600661 is about 2008.6790047097.

Adding to 8104600661 its reverse (1660064018), we get a palindrome (9764664679).

The spelling of 8104600661 in words is "eight billion, one hundred four million, six hundred thousand, six hundred sixty-one".