8197018306 has 16 divisors (see below), whose sum is σ = 12584991744. Its totient is φ = 4003111584.

The previous prime is 8197018301. The next prime is 8197018339. The reversal of 8197018306 is 6038107918.

It is a super-2 number, since 2×8197018306² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8197018301) 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, 257506 + ... + 287581.

It is an arithmetic number, because the mean of its divisors is an integer number (786561984).

Almost surely, 2^8197018306 is an apocalyptic number.

8197018306 is a deficient number, since it is larger than the sum of its proper divisors (4387973438).

8197018306 is a wasteful number, since it uses less digits than its factorization.

8197018306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545265.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 8197018306 is about 90537.3862335334. The cubic root of 8197018306 is about 2016.2852279271.

The spelling of 8197018306 in words is "eight billion, one hundred ninety-seven million, eighteen thousand, three hundred six".