2660451073 has 4 divisors (see below), whose sum is σ = 3040515520. Its totient is φ = 2280386628.

The previous prime is 2660451061. The next prime is 2660451077. The reversal of 2660451073 is 3701540662.

It is a happy number.

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 not a de Polignac number, because 2660451073 - 2²⁵ = 2626896641 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2660451077) 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, 190032213 + ... + 190032226.

It is an arithmetic number, because the mean of its divisors is an integer number (760128880).

Almost surely, 2^2660451073 is an apocalyptic number.

It is an amenable number.

2660451073 is a deficient number, since it is larger than the sum of its proper divisors (380064447).

2660451073 is an equidigital number, since it uses as much as digits as its factorization.

2660451073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380064446.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 2660451073 is about 51579.5606127078. The cubic root of 2660451073 is about 1385.6442975341.

It can be divided in two parts, 26604 and 51073, that added together give a palindrome (77677).

The spelling of 2660451073 in words is "two billion, six hundred sixty million, four hundred fifty-one thousand, seventy-three".