660626063 has 2 divisors, whose sum is σ = 660626064. Its totient is φ = 660626062.

The previous prime is 660626059. The next prime is 660626101. The reversal of 660626063 is 360626066.

It is a happy number.

660626063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 660626063 - 2² = 660626059 is a prime.

It is a super-3 number, since 3×660626063³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (660626023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330313031 + 330313032.

It is an arithmetic number, because the mean of its divisors is an integer number (330313032).

Almost surely, 2^660626063 is an apocalyptic number.

660626063 is a deficient number, since it is larger than the sum of its proper divisors (1).

660626063 is an equidigital number, since it uses as much as digits as its factorization.

660626063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 35.

The square root of 660626063 is about 25702.6470037621. The cubic root of 660626063 is about 870.9339787026.

The spelling of 660626063 in words is "six hundred sixty million, six hundred twenty-six thousand, sixty-three".