60660647 has 2 divisors, whose sum is σ = 60660648. Its totient is φ = 60660646.

The previous prime is 60660643. The next prime is 60660653. The reversal of 60660647 is 74606606.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 60660647 - 2² = 60660643 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (60660643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30330323 + 30330324.

It is an arithmetic number, because the mean of its divisors is an integer number (30330324).

Almost surely, 2^60660647 is an apocalyptic number.

60660647 is a deficient number, since it is larger than the sum of its proper divisors (1).

60660647 is an equidigital number, since it uses as much as digits as its factorization.

60660647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 60660647 is about 7788.4945271856. The cubic root of 60660647 is about 392.9183811409.

The spelling of 60660647 in words is "sixty million, six hundred sixty thousand, six hundred forty-seven".