166260286 has 4 divisors (see below), whose sum is σ = 249390432. Its totient is φ = 83130142.

The previous prime is 166260257. The next prime is 166260287. The reversal of 166260286 is 682062661.

166260286 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166260287) 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, 41565070 + ... + 41565073.

It is an arithmetic number, because the mean of its divisors is an integer number (62347608).

Almost surely, 2^166260286 is an apocalyptic number.

166260286 is a deficient number, since it is larger than the sum of its proper divisors (83130146).

166260286 is an equidigital number, since it uses as much as digits as its factorization.

166260286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83130145.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 166260286 is about 12894.1958260296. The cubic root of 166260286 is about 549.8735643252.

The spelling of 166260286 in words is "one hundred sixty-six million, two hundred sixty thousand, two hundred eighty-six".