168348306 has 64 divisors (see below), whose sum is σ = 402796800. Its totient is φ = 45889536.

The previous prime is 168348269. The next prime is 168348307. The reversal of 168348306 is 603843861.

It is not an unprimeable number, because it can be changed into a prime (168348307) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107626 + ... + 109178.

It is an arithmetic number, because the mean of its divisors is an integer number (6293700).

Almost surely, 2^168348306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168348306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (201398400).

168348306 is an abundant number, since it is smaller than the sum of its proper divisors (234448494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168348306 is a wasteful number, since it uses less digits than its factorization.

168348306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683.

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 168348306 is about 12974.9106355304. The cubic root of 168348306 is about 552.1659013523.

The spelling of 168348306 in words is "one hundred sixty-eight million, three hundred forty-eight thousand, three hundred six".