9816266243 has 8 divisors (see below), whose sum is σ = 11220545280. Its totient is φ = 8412476040.

The previous prime is 9816266233. The next prime is 9816266297. The reversal of 9816266243 is 3426626189.

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 9816266243 - 2¹⁰ = 9816265219 is a prime.

It is a super-2 number, since 2×9816266243² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9816266233) 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, 78113 + ... + 160418.

It is an arithmetic number, because the mean of its divisors is an integer number (1402568160).

Almost surely, 2^9816266243 is an apocalyptic number.

9816266243 is a deficient number, since it is larger than the sum of its proper divisors (1404279037).

9816266243 is a wasteful number, since it uses less digits than its factorization.

9816266243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244417.

The product of its digits is 746496, while the sum is 47.

The square root of 9816266243 is about 99077.0722367188. The cubic root of 9816266243 is about 2141.1582982518.

The spelling of 9816266243 in words is "nine billion, eight hundred sixteen million, two hundred sixty-six thousand, two hundred forty-three".