103636818 has 24 divisors (see below), whose sum is σ = 225081948. Its totient is φ = 34463232.

The previous prime is 103636787. The next prime is 103636829. The reversal of 103636818 is 818636301.

103636818 is a `hidden beast` number, since 1 + 0 + 3 + 636 + 8 + 18 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 72131049 + 31505769 = 8493^2 + 5613^2 .

It is a super-3 number, since 3×103636818³ (a number of 25 digits) contains 333 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, 1146 + ... + 14442.

Almost surely, 2^103636818 is an apocalyptic number.

103636818 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

103636818 is an abundant number, since it is smaller than the sum of its proper divisors (121445130).

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

103636818 is a wasteful number, since it uses less digits than its factorization.

103636818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13738 (or 13735 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 103636818 is about 10180.2169917934. The cubic root of 103636818 is about 469.7188872761.

The spelling of 103636818 in words is "one hundred three million, six hundred thirty-six thousand, eight hundred eighteen".