228661126661683 has 2 divisors, whose sum is σ = 228661126661684. Its totient is φ = 228661126661682.

The previous prime is 228661126661633. The next prime is 228661126661753. The reversal of 228661126661683 is 386166621166822.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228661126661683 - 2¹⁷ = 228661126530611 is a prime.

It is a super-2 number, since 2×228661126661683² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (228661126661633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114330563330841 + 114330563330842.

It is an arithmetic number, because the mean of its divisors is an integer number (114330563330842).

Almost surely, 2^{228661126661683} is an apocalyptic number.

228661126661683 is a deficient number, since it is larger than the sum of its proper divisors (1).

228661126661683 is an equidigital number, since it uses as much as digits as its factorization.

228661126661683 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 71663616, while the sum is 64.

The spelling of 228661126661683 in words is "two hundred twenty-eight trillion, six hundred sixty-one billion, one hundred twenty-six million, six hundred sixty-one thousand, six hundred eighty-three".