103660061 has 4 divisors (see below), whose sum is σ = 103690272. Its totient is φ = 103629852.

The previous prime is 103660031. The next prime is 103660129. The reversal of 103660061 is 160066301.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103660061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103660031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9185 + ... + 17078.

It is an arithmetic number, because the mean of its divisors is an integer number (25922568).

Almost surely, 2^103660061 is an apocalyptic number.

It is an amenable number.

103660061 is a deficient number, since it is larger than the sum of its proper divisors (30211).

103660061 is an equidigital number, since it uses as much as digits as its factorization.

103660061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30210.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 103660061 is about 10181.3585046397. The cubic root of 103660061 is about 469.7539998298.

The spelling of 103660061 in words is "one hundred three million, six hundred sixty thousand, sixty-one".