66233213461403 has 2 divisors, whose sum is σ = 66233213461404. Its totient is φ = 66233213461402.

The previous prime is 66233213461391. The next prime is 66233213461439. The reversal of 66233213461403 is 30416431233266.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66233213461403 - 2¹⁴ = 66233213445019 is a prime.

It is not a weakly prime, because it can be changed into another prime (66233213461703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33116606730701 + 33116606730702.

It is an arithmetic number, because the mean of its divisors is an integer number (33116606730702).

Almost surely, 2^{66233213461403} is an apocalyptic number.

66233213461403 is a deficient number, since it is larger than the sum of its proper divisors (1).

66233213461403 is an equidigital number, since it uses as much as digits as its factorization.

66233213461403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1119744, while the sum is 44.

Adding to 66233213461403 its reverse (30416431233266), we get a palindrome (96649644694669).

The spelling of 66233213461403 in words is "sixty-six trillion, two hundred thirty-three billion, two hundred thirteen million, four hundred sixty-one thousand, four hundred three".