206132468077 has 2 divisors, whose sum is σ = 206132468078. Its totient is φ = 206132468076.

The previous prime is 206132468057. The next prime is 206132468081. The reversal of 206132468077 is 770864231602.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107603024841 + 98529443236 = 328029^2 + 313894^2 .

It is a cyclic number.

It is not a de Polignac number, because 206132468077 - 2⁷ = 206132467949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206132468057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103066234038 + 103066234039.

It is an arithmetic number, because the mean of its divisors is an integer number (103066234039).

Almost surely, 2^206132468077 is an apocalyptic number.

It is an amenable number.

206132468077 is a deficient number, since it is larger than the sum of its proper divisors (1).

206132468077 is an equidigital number, since it uses as much as digits as its factorization.

206132468077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 677376, while the sum is 46.

Adding to 206132468077 its reverse (770864231602), we get a palindrome (976996699679).

The spelling of 206132468077 in words is "two hundred six billion, one hundred thirty-two million, four hundred sixty-eight thousand, seventy-seven".