168917349 has 8 divisors (see below), whose sum is σ = 227453472. Its totient is φ = 111496400.

The previous prime is 168917347. The next prime is 168917351. The reversal of 168917349 is 943719861.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (168917347) and next prime (168917351).

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

It is a cyclic number.

It is not a de Polignac number, because 168917349 - 2¹ = 168917347 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168917298 and 168917307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168917347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278439 + ... + 279044.

It is an arithmetic number, because the mean of its divisors is an integer number (28431684).

Almost surely, 2^168917349 is an apocalyptic number.

It is an amenable number.

168917349 is a deficient number, since it is larger than the sum of its proper divisors (58536123).

168917349 is a wasteful number, since it uses less digits than its factorization.

168917349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557587.

The product of its digits is 326592, while the sum is 48.

The square root of 168917349 is about 12996.8207266239. The cubic root of 168917349 is about 552.7873367366.

The spelling of 168917349 in words is "one hundred sixty-eight million, nine hundred seventeen thousand, three hundred forty-nine".