2010660521 has 8 divisors (see below), whose sum is σ = 2083466880. Its totient is φ = 1939038192.

The previous prime is 2010660497. The next prime is 2010660539. The reversal of 2010660521 is 1250660102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2010660521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2010665521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292550 + ... + 299343.

It is an arithmetic number, because the mean of its divisors is an integer number (260433360).

Almost surely, 2^2010660521 is an apocalyptic number.

It is an amenable number.

2010660521 is a deficient number, since it is larger than the sum of its proper divisors (72806359).

2010660521 is an equidigital number, since it uses as much as digits as its factorization.

2010660521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592015.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 2010660521 is about 44840.3893939381. The cubic root of 2010660521 is about 1262.1556533808.

The spelling of 2010660521 in words is "two billion, ten million, six hundred sixty thousand, five hundred twenty-one".