2660416523 has 2 divisors, whose sum is σ = 2660416524. Its totient is φ = 2660416522.

The previous prime is 2660416469. The next prime is 2660416543. The reversal of 2660416523 is 3256140662.

It is a happy number.

2660416523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2660416523 - 2¹⁴ = 2660400139 is a prime.

It is a super-3 number, since 3×2660416523³ (a number of 29 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2660416543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1330208261 + 1330208262.

It is an arithmetic number, because the mean of its divisors is an integer number (1330208262).

Almost surely, 2^2660416523 is an apocalyptic number.

2660416523 is a deficient number, since it is larger than the sum of its proper divisors (1).

2660416523 is an equidigital number, since it uses as much as digits as its factorization.

2660416523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 2660416523 is about 51579.2256921331. The cubic root of 2660416523 is about 1385.6382992758.

The spelling of 2660416523 in words is "two billion, six hundred sixty million, four hundred sixteen thousand, five hundred twenty-three".