108949935816 has 40 divisors (see below), whose sum is σ = 305160701670. Its totient is φ = 36316645056.

The previous prime is 108949935811. The next prime is 108949935821. The reversal of 108949935816 is 618539949801.

108949935816 is a `hidden beast` number, since 1 + 0 + 8 + 9 + 49 + 9 + 3 + 581 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (108949935811) and next prime (108949935821).

It can be written as a sum of positive squares in only one way, i.e., 90739512900 + 18210422916 = 301230^2 + 134946^2 .

It is not an unprimeable number, because it can be changed into a prime (108949935811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 84065661 + ... + 84066956.

Almost surely, 2^108949935816 is an apocalyptic number.

It is an amenable number.

108949935816 is an abundant number, since it is smaller than the sum of its proper divisors (196210765854).

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

108949935816 is a wasteful number, since it uses less digits than its factorization.

108949935816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168132635 (or 168132622 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 63.

The spelling of 108949935816 in words is "one hundred eight billion, nine hundred forty-nine million, nine hundred thirty-five thousand, eight hundred sixteen".