866158405338467 has 2 divisors, whose sum is σ = 866158405338468. Its totient is φ = 866158405338466.

The previous prime is 866158405338449. The next prime is 866158405338553. The reversal of 866158405338467 is 764833504851668.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-866158405338467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 866158405338394 and 866158405338403.

It is not a weakly prime, because it can be changed into another prime (866158405338767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 433079202669233 + 433079202669234.

It is an arithmetic number, because the mean of its divisors is an integer number (433079202669234).

Almost surely, 2^{866158405338467} is an apocalyptic number.

866158405338467 is a deficient number, since it is larger than the sum of its proper divisors (1).

866158405338467 is an equidigital number, since it uses as much as digits as its factorization.

866158405338467 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2786918400, while the sum is 74.

The spelling of 866158405338467 in words is "eight hundred sixty-six trillion, one hundred fifty-eight billion, four hundred five million, three hundred thirty-eight thousand, four hundred sixty-seven".