8816621026 has 16 divisors (see below), whose sum is σ = 13328052696. Its totient is φ = 4373968896.

The previous prime is 8816620993. The next prime is 8816621041. The reversal of 8816621026 is 6201266188.

It can be written as a sum of positive squares in 4 ways, for example, as 8751415401 + 65205625 = 93549^2 + 8075^2 .

It is a super-2 number, since 2×8816621026² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8816621026.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 644530 + ... + 658066.

Almost surely, 2^8816621026 is an apocalyptic number.

8816621026 is a deficient number, since it is larger than the sum of its proper divisors (4511431670).

8816621026 is a wasteful number, since it uses less digits than its factorization.

8816621026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16053.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 8816621026 is about 93896.8637708417. The cubic root of 8816621026 is about 2065.8592281727.

The spelling of 8816621026 in words is "eight billion, eight hundred sixteen million, six hundred twenty-one thousand, twenty-six".