166041286 has 4 divisors (see below), whose sum is σ = 249061932. Its totient is φ = 83020642.

The previous prime is 166041283. The next prime is 166041289. The reversal of 166041286 is 682140661.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (166041283) and next prime (166041289).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166041283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41510320 + ... + 41510323.

It is an arithmetic number, because the mean of its divisors is an integer number (62265483).

Almost surely, 2^166041286 is an apocalyptic number.

166041286 is a deficient number, since it is larger than the sum of its proper divisors (83020646).

166041286 is an equidigital number, since it uses as much as digits as its factorization.

166041286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83020645.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 166041286 is about 12885.7008346461. The cubic root of 166041286 is about 549.6320249372.

The spelling of 166041286 in words is "one hundred sixty-six million, forty-one thousand, two hundred eighty-six".