166868834 has 8 divisors (see below), whose sum is σ = 273058128. Its totient is φ = 75849460.

The previous prime is 166868831. The next prime is 166868839. The reversal of 166868834 is 438868661.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (166868831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3792452 + ... + 3792495.

It is an arithmetic number, because the mean of its divisors is an integer number (34132266).

Almost surely, 2^166868834 is an apocalyptic number.

166868834 is a deficient number, since it is larger than the sum of its proper divisors (106189294).

166868834 is a wasteful number, since it uses less digits than its factorization.

166868834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7584960.

The product of its digits is 1327104, while the sum is 50.

The square root of 166868834 is about 12917.7720215214. The cubic root of 166868834 is about 550.5436321818.

The spelling of 166868834 in words is "one hundred sixty-six million, eight hundred sixty-eight thousand, eight hundred thirty-four".