103665604 has 48 divisors (see below), whose sum is σ = 219542400. Its totient is φ = 41884416.

The previous prime is 103665599. The next prime is 103665607. The reversal of 103665604 is 406566301.

It is not an unprimeable number, because it can be changed into a prime (103665607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33432 + ... + 36400.

It is an arithmetic number, because the mean of its divisors is an integer number (4573800).

Almost surely, 2^103665604 is an apocalyptic number.

103665604 is a gapful number since it is divisible by the number (14) 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 103665604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109771200).

103665604 is an abundant number, since it is smaller than the sum of its proper divisors (115876796).

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

103665604 is a wasteful number, since it uses less digits than its factorization.

103665604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052 (or 3050 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 103665604 is about 10181.6307141833. The cubic root of 103665604 is about 469.7623727106.

The spelling of 103665604 in words is "one hundred three million, six hundred sixty-five thousand, six hundred four".