168768351 has 6 divisors (see below), whose sum is σ = 243776520. Its totient is φ = 112512228.

The previous prime is 168768343. The next prime is 168768361. The reversal of 168768351 is 153867861.

It is not a de Polignac number, because 168768351 - 2³ = 168768343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168768297 and 168768306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168768331) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9376011 + ... + 9376028.

It is an arithmetic number, because the mean of its divisors is an integer number (40629420).

Almost surely, 2^168768351 is an apocalyptic number.

168768351 is a deficient number, since it is larger than the sum of its proper divisors (75008169).

168768351 is a wasteful number, since it uses less digits than its factorization.

168768351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18752045 (or 18752042 counting only the distinct ones).

The product of its digits is 241920, while the sum is 45.

The square root of 168768351 is about 12991.0873678842. The cubic root of 168768351 is about 552.6247553773.

The spelling of 168768351 in words is "one hundred sixty-eight million, seven hundred sixty-eight thousand, three hundred fifty-one".