10818940168 has 8 divisors (see below), whose sum is σ = 20285512830. Its totient is φ = 5409470080.

The previous prime is 10818940163. The next prime is 10818940177. The reversal of 10818940168 is 86104981801.

It can be written as a sum of positive squares in only one way, i.e., 10486169604 + 332770564 = 102402^2 + 18242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (10818940163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676183753 + ... + 676183768.

Almost surely, 2^10818940168 is an apocalyptic number.

It is an amenable number.

10818940168 is a deficient number, since it is larger than the sum of its proper divisors (9466572662).

10818940168 is a wasteful number, since it uses less digits than its factorization.

10818940168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352367527 (or 1352367523 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 46.

The spelling of 10818940168 in words is "ten billion, eight hundred eighteen million, nine hundred forty thousand, one hundred sixty-eight".