8601990218 has 16 divisors (see below), whose sum is σ = 12976450560. Its totient is φ = 4276527600.

The previous prime is 8601990211. The next prime is 8601990227. The reversal of 8601990218 is 8120991068.

It is not an unprimeable number, because it can be changed into a prime (8601990211) 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, 1211603 + ... + 1218681.

It is an arithmetic number, because the mean of its divisors is an integer number (811028160).

Almost surely, 2^8601990218 is an apocalyptic number.

8601990218 is a deficient number, since it is larger than the sum of its proper divisors (4374460342).

8601990218 is a wasteful number, since it uses less digits than its factorization.

8601990218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10453.

The product of its (nonzero) digits is 62208, while the sum is 44.

The square root of 8601990218 is about 92746.9148705228. The cubic root of 8601990218 is about 2048.9576472069.

The spelling of 8601990218 in words is "eight billion, six hundred one million, nine hundred ninety thousand, two hundred eighteen".