660576041 has 2 divisors, whose sum is σ = 660576042. Its totient is φ = 660576040.

The previous prime is 660576017. The next prime is 660576061. The reversal of 660576041 is 140675066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 650046016 + 10530025 = 25496^2 + 3245^2 .

It is a cyclic number.

It is not a de Polignac number, because 660576041 - 2¹⁴ = 660559657 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 660575992 and 660576010.

It is not a weakly prime, because it can be changed into another prime (660576011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330288020 + 330288021.

It is an arithmetic number, because the mean of its divisors is an integer number (330288021).

Almost surely, 2^660576041 is an apocalyptic number.

It is an amenable number.

660576041 is a deficient number, since it is larger than the sum of its proper divisors (1).

660576041 is an equidigital number, since it uses as much as digits as its factorization.

660576041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 660576041 is about 25701.6738949042. The cubic root of 660576041 is about 870.9119960402.

The spelling of 660576041 in words is "six hundred sixty million, five hundred seventy-six thousand, forty-one".