168386316 has 48 divisors (see below), whose sum is σ = 450240000. Its totient is φ = 47980800.

The previous prime is 168386311. The next prime is 168386329. The reversal of 168386316 is 613683861.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (168386311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31185 + ... + 36183.

It is an arithmetic number, because the mean of its divisors is an integer number (9380000).

Almost surely, 2^168386316 is an apocalyptic number.

It is an amenable number.

168386316 is an abundant number, since it is smaller than the sum of its proper divisors (281853684).

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

168386316 is a wasteful number, since it uses less digits than its factorization.

168386316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5414 (or 5412 counting only the distinct ones).

The product of its digits is 124416, while the sum is 42.

The square root of 168386316 is about 12976.3753028340. The cubic root of 168386316 is about 552.2074545801.

The spelling of 168386316 in words is "one hundred sixty-eight million, three hundred eighty-six thousand, three hundred sixteen".