660954011 has 2 divisors, whose sum is σ = 660954012. Its totient is φ = 660954010.

The previous prime is 660954001. The next prime is 660954061. The reversal of 660954011 is 110459066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 660954011 - 2⁶ = 660953947 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (660954001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330477005 + 330477006.

It is an arithmetic number, because the mean of its divisors is an integer number (330477006).

Almost surely, 2^660954011 is an apocalyptic number.

660954011 is a deficient number, since it is larger than the sum of its proper divisors (1).

660954011 is an equidigital number, since it uses as much as digits as its factorization.

660954011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 660954011 is about 25709.0258664151. The cubic root of 660954011 is about 871.0780712146.

The spelling of 660954011 in words is "six hundred sixty million, nine hundred fifty-four thousand, eleven".