103516812 has 144 divisors (see below), whose sum is σ = 322775040. Its totient is φ = 28576800.

The previous prime is 103516801. The next prime is 103516871. The reversal of 103516812 is 218615301.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 163737 + ... + 164367.

Almost surely, 2^103516812 is an apocalyptic number.

103516812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 103516812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161387520).

103516812 is an abundant number, since it is smaller than the sum of its proper divisors (219258228).

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

103516812 is a wasteful number, since it uses less digits than its factorization.

103516812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 103516812 is about 10174.3212058594. The cubic root of 103516812 is about 469.5375139721.

The spelling of 103516812 in words is "one hundred three million, five hundred sixteen thousand, eight hundred twelve".