2660103361 has 4 divisors (see below), whose sum is σ = 2660224432. Its totient is φ = 2659982292.

The previous prime is 2660103349. The next prime is 2660103371. The reversal of 2660103361 is 1633010662.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1633010662 = 2 ⋅816505331.

It is a cyclic number.

It is not a de Polignac number, because 2660103361 - 2¹¹ = 2660101313 is a prime.

It is a super-2 number, since 2×2660103361² = 14152299782406992642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2660103301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17271 + ... + 74956.

It is an arithmetic number, because the mean of its divisors is an integer number (665056108).

Almost surely, 2^2660103361 is an apocalyptic number.

It is an amenable number.

2660103361 is a deficient number, since it is larger than the sum of its proper divisors (121071).

2660103361 is an equidigital number, since it uses as much as digits as its factorization.

2660103361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121070.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 2660103361 is about 51576.1898650918. The cubic root of 2660103361 is about 1385.5839285555.

The spelling of 2660103361 in words is "two billion, six hundred sixty million, one hundred three thousand, three hundred sixty-one".