103603665650 has 12 divisors (see below), whose sum is σ = 192702818202. Its totient is φ = 41441466240.

The previous prime is 103603665637. The next prime is 103603665653. The reversal of 103603665650 is 56566306301.

It can be written as a sum of positive squares in 3 ways, for example, as 48066616081 + 55537049569 = 219241^2 + 235663^2 .

It is a super-3 number, since 3×103603665650³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 103603665598 and 103603665607.

It is not an unprimeable number, because it can be changed into a prime (103603665653) 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 5 ways as a sum of consecutive naturals, for example, 1036036607 + ... + 1036036706.

Almost surely, 2^103603665650 is an apocalyptic number.

103603665650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103603665650 is a deficient number, since it is larger than the sum of its proper divisors (89099152552).

103603665650 is a wasteful number, since it uses less digits than its factorization.

103603665650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2072073325 (or 2072073320 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 41.

The spelling of 103603665650 in words is "one hundred three billion, six hundred three million, six hundred sixty-five thousand, six hundred fifty".