168368745 has 8 divisors (see below), whose sum is σ = 269390016. Its totient is φ = 89796656.

The previous prime is 168368741. The next prime is 168368749. The reversal of 168368745 is 547863861.

It is an interprime number because it is at equal distance from previous prime (168368741) and next prime (168368749).

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 168368745 - 2² = 168368741 is a prime.

It is a super-4 number, since 4×168368745⁴ (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 168368694 and 168368703.

It is not an unprimeable number, because it can be changed into a prime (168368741) 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, 5612277 + ... + 5612306.

It is an arithmetic number, because the mean of its divisors is an integer number (33673752).

Almost surely, 2^168368745 is an apocalyptic number.

168368745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168368745 is a deficient number, since it is larger than the sum of its proper divisors (101021271).

168368745 is a wasteful number, since it uses less digits than its factorization.

168368745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11224591.

The product of its digits is 967680, while the sum is 48.

The square root of 168368745 is about 12975.6982471079. The cubic root of 168368745 is about 552.1882464185.

The spelling of 168368745 in words is "one hundred sixty-eight million, three hundred sixty-eight thousand, seven hundred forty-five".