2010660557 has 2 divisors, whose sum is σ = 2010660558. Its totient is φ = 2010660556.

The previous prime is 2010660539. The next prime is 2010660559. The reversal of 2010660557 is 7550660102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1595682916 + 414977641 = 39946^2 + 20371^2 .

It is a cyclic number.

It is not a de Polignac number, because 2010660557 - 2¹⁶ = 2010595021 is a prime.

Together with 2010660559, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2010660559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005330278 + 1005330279.

It is an arithmetic number, because the mean of its divisors is an integer number (1005330279).

Almost surely, 2^2010660557 is an apocalyptic number.

It is an amenable number.

2010660557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2010660557 is an equidigital number, since it uses as much as digits as its factorization.

2010660557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 2010660557 is about 44840.3897953619. The cubic root of 2010660557 is about 1262.1556609136.

The spelling of 2010660557 in words is "two billion, ten million, six hundred sixty thousand, five hundred fifty-seven".