166312682 has 8 divisors (see below), whose sum is σ = 250062852. Its totient is φ = 82958400.

The previous prime is 166312673. The next prime is 166312697. The reversal of 166312682 is 286213661.

It can be written as a sum of positive squares in 2 ways, for example, as 116877721 + 49434961 = 10811^2 + 7031^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 97919 + ... + 99602.

Almost surely, 2^166312682 is an apocalyptic number.

166312682 is a deficient number, since it is larger than the sum of its proper divisors (83750170).

166312682 is a wasteful number, since it uses less digits than its factorization.

166312682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197944.

The product of its digits is 20736, while the sum is 35.

The square root of 166312682 is about 12896.2274328580. The cubic root of 166312682 is about 549.9313214520.

The spelling of 166312682 in words is "one hundred sixty-six million, three hundred twelve thousand, six hundred eighty-two".