8546661 has 16 divisors (see below), whose sum is σ = 12712000. Its totient is φ = 5675184.

The previous prime is 8546653. The next prime is 8546663. The reversal of 8546661 is 1666458.

It is not a de Polignac number, because 8546661 - 2³ = 8546653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8546663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8970 + ... + 9876.

It is an arithmetic number, because the mean of its divisors is an integer number (794500).

Almost surely, 2^8546661 is an apocalyptic number.

It is an amenable number.

8546661 is a deficient number, since it is larger than the sum of its proper divisors (4165339).

8546661 is a wasteful number, since it uses less digits than its factorization.

8546661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265 (or 1259 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 8546661 is about 2923.4672907354. The cubic root of 8546661 is about 204.4555132655.

The spelling of 8546661 in words is "eight million, five hundred forty-six thousand, six hundred sixty-one".