8008661617 has 16 divisors (see below), whose sum is σ = 9226441728. Its totient is φ = 6880131280.

The previous prime is 8008661611. The next prime is 8008661677. The reversal of 8008661617 is 7161668008.

It is not a de Polignac number, because 8008661617 - 2¹⁹ = 8008137329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8008661611) 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, 169693 + ... + 211690.

It is an arithmetic number, because the mean of its divisors is an integer number (576652608).

Almost surely, 2^8008661617 is an apocalyptic number.

It is an amenable number.

8008661617 is a deficient number, since it is larger than the sum of its proper divisors (1217780111).

8008661617 is a wasteful number, since it uses less digits than its factorization.

8008661617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381500.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 8008661617 is about 89491.1259120143. The cubic root of 8008661617 is about 2000.7215410746.

The spelling of 8008661617 in words is "eight billion, eight million, six hundred sixty-one thousand, six hundred seventeen".