668032575403 has 2 divisors, whose sum is σ = 668032575404. Its totient is φ = 668032575402.

The previous prime is 668032575367. The next prime is 668032575451. The reversal of 668032575403 is 304575230866.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 668032575403 - 2³³ = 659442640811 is a prime.

It is a super-3 number, since 3×668032575403³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (668032575493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334016287701 + 334016287702.

It is an arithmetic number, because the mean of its divisors is an integer number (334016287702).

Almost surely, 2^668032575403 is an apocalyptic number.

668032575403 is a deficient number, since it is larger than the sum of its proper divisors (1).

668032575403 is an equidigital number, since it uses as much as digits as its factorization.

668032575403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 668032575403 in words is "six hundred sixty-eight billion, thirty-two million, five hundred seventy-five thousand, four hundred three".