166284763 has 2 divisors, whose sum is σ = 166284764. Its totient is φ = 166284762.

The previous prime is 166284761. The next prime is 166284793. The reversal of 166284763 is 367482661.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 166284763 - 2¹ = 166284761 is a prime.

Together with 166284761, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (166284761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 83142381 + 83142382.

It is an arithmetic number, because the mean of its divisors is an integer number (83142382).

Almost surely, 2^166284763 is an apocalyptic number.

166284763 is a deficient number, since it is larger than the sum of its proper divisors (1).

166284763 is an equidigital number, since it uses as much as digits as its factorization.

166284763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 290304, while the sum is 43.

The square root of 166284763 is about 12895.1449390846. The cubic root of 166284763 is about 549.9005473070.

The spelling of 166284763 in words is "one hundred sixty-six million, two hundred eighty-four thousand, seven hundred sixty-three".