166386829463 has 2 divisors, whose sum is σ = 166386829464. Its totient is φ = 166386829462.

The previous prime is 166386829459. The next prime is 166386829487. The reversal of 166386829463 is 364928683661.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166386829463 - 2² = 166386829459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 166386829396 and 166386829405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (166386829403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83193414731 + 83193414732.

It is an arithmetic number, because the mean of its divisors is an integer number (83193414732).

Almost surely, 2^166386829463 is an apocalyptic number.

166386829463 is a deficient number, since it is larger than the sum of its proper divisors (1).

166386829463 is an equidigital number, since it uses as much as digits as its factorization.

166386829463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53747712, while the sum is 62.

The spelling of 166386829463 in words is "one hundred sixty-six billion, three hundred eighty-six million, eight hundred twenty-nine thousand, four hundred sixty-three".