103655665936 has 15 divisors (see below), whose sum is σ = 200835347941. Its totient is φ = 51827189056.

The previous prime is 103655665933. The next prime is 103655665937. The reversal of 103655665936 is 639566556301.

It is a happy number.

The square root of 103655665936 is 321956.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 101605387536 + 2050278400 = 318756^2 + 45280^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103655665931) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1247580 + ... + 1328068.

Almost surely, 2^103655665936 is an apocalyptic number.

103655665936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

103655665936 is the 321956-th square number.

It is an amenable number.

103655665936 is a deficient number, since it is larger than the sum of its proper divisors (97179682005).

103655665936 is an frugal number, since it uses more digits than its factorization.

103655665936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160986 (or 80491 counting only the distinct ones).

The product of its (nonzero) digits is 13122000, while the sum is 55.

The spelling of 103655665936 in words is "one hundred three billion, six hundred fifty-five million, six hundred sixty-five thousand, nine hundred thirty-six".