8000216580 has 24 divisors (see below), whose sum is σ = 22400606592. Its totient is φ = 2133391072.

The previous prime is 8000216557. The next prime is 8000216603. The reversal of 8000216580 is 856120008.

It is an interprime number because it is at equal distance from previous prime (8000216557) and next prime (8000216603).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66668412 + ... + 66668531.

It is an arithmetic number, because the mean of its divisors is an integer number (933358608).

Almost surely, 2^8000216580 is an apocalyptic number.

It is an amenable number.

8000216580 is an abundant number, since it is smaller than the sum of its proper divisors (14400390012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8000216580 is a wasteful number, since it uses less digits than its factorization.

8000216580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133336955 (or 133336953 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 8000216580 is about 89443.9298108038. The cubic root of 8000216580 is about 2000.0180481705.

Adding to 8000216580 its reverse (856120008), we get a palindrome (8856336588).

The spelling of 8000216580 in words is "eight billion, two hundred sixteen thousand, five hundred eighty".