8546221667 has 8 divisors (see below), whose sum is σ = 8570467920. Its totient is φ = 8522010720.

The previous prime is 8546221591. The next prime is 8546221687. The reversal of 8546221667 is 7661226458.

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 8546221667 - 2¹⁰ = 8546220643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8546221687) 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, 519809 + ... + 535997.

It is an arithmetic number, because the mean of its divisors is an integer number (1071308490).

Almost surely, 2^8546221667 is an apocalyptic number.

8546221667 is a deficient number, since it is larger than the sum of its proper divisors (24246253).

8546221667 is a wasteful number, since it uses less digits than its factorization.

8546221667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17653.

The product of its digits is 967680, while the sum is 47.

The square root of 8546221667 is about 92445.7769019224. The cubic root of 8546221667 is about 2044.5200992494.

The spelling of 8546221667 in words is "eight billion, five hundred forty-six million, two hundred twenty-one thousand, six hundred sixty-seven".