103300661 has 4 divisors (see below), whose sum is σ = 103516800. Its totient is φ = 103084524.

The previous prime is 103300643. The next prime is 103300699. The reversal of 103300661 is 166003301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 166003301 = 41 ⋅4048861.

It is a cyclic number.

It is not a de Polignac number, because 103300661 - 2⁶ = 103300597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103300601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107351 + ... + 108308.

It is an arithmetic number, because the mean of its divisors is an integer number (25879200).

Almost surely, 2^103300661 is an apocalyptic number.

It is an amenable number.

103300661 is a deficient number, since it is larger than the sum of its proper divisors (216139).

103300661 is an equidigital number, since it uses as much as digits as its factorization.

103300661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216138.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 103300661 is about 10163.6932755766. The cubic root of 103300661 is about 469.2104761909.

Adding to 103300661 its reverse (166003301), we get a palindrome (269303962).

The spelling of 103300661 in words is "one hundred three million, three hundred thousand, six hundred sixty-one".