168214649 has 8 divisors (see below), whose sum is σ = 173791488. Its totient is φ = 162647280.

The previous prime is 168214601. The next prime is 168214661. The reversal of 168214649 is 946412861.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-168214649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (168214699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61499 + ... + 64175.

It is an arithmetic number, because the mean of its divisors is an integer number (21723936).

Almost surely, 2^168214649 is an apocalyptic number.

It is an amenable number.

168214649 is a deficient number, since it is larger than the sum of its proper divisors (5576839).

168214649 is a wasteful number, since it uses less digits than its factorization.

168214649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4735.

The product of its digits is 82944, while the sum is 41.

The square root of 168214649 is about 12969.7590185786. The cubic root of 168214649 is about 552.0197353880.

The spelling of 168214649 in words is "one hundred sixty-eight million, two hundred fourteen thousand, six hundred forty-nine".