103818816 has 42 divisors (see below), whose sum is σ = 297579542. Its totient is φ = 34606080.

The previous prime is 103818797. The next prime is 103818821. The reversal of 103818816 is 618818301.

It can be written as a sum of positive squares in only one way, i.e., 58982400 + 44836416 = 7680^2 + 6696^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89545 + ... + 90696.

Almost surely, 2^103818816 is an apocalyptic number.

103818816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

103818816 is an abundant number, since it is smaller than the sum of its proper divisors (193760726).

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

103818816 is a wasteful number, since it uses less digits than its factorization.

103818816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180259 (or 180246 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 103818816 is about 10189.1518783459. The cubic root of 103818816 is about 469.9936863495.

The spelling of 103818816 in words is "one hundred three million, eight hundred eighteen thousand, eight hundred sixteen".