11824066818 has 24 divisors (see below), whose sum is σ = 26502219900. Its totient is φ = 3805446624.

The previous prime is 11824066777. The next prime is 11824066829. The reversal of 11824066818 is 81866042811.

11824066818 is a `hidden beast` number, since 1 + 182 + 406 + 68 + 1 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11220529329 + 603537489 = 105927^2 + 24567^2 .

It is a super-2 number, since 2×11824066818² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11325213 + ... + 11326256.

Almost surely, 2^11824066818 is an apocalyptic number.

11824066818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11824066818 is an abundant number, since it is smaller than the sum of its proper divisors (14678153082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11824066818 is a wasteful number, since it uses less digits than its factorization.

11824066818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22651506 (or 22651503 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The spelling of 11824066818 in words is "eleven billion, eight hundred twenty-four million, sixty-six thousand, eight hundred eighteen".