168013386 has 32 divisors (see below), whose sum is σ = 374342400. Its totient is φ = 55857600.

The previous prime is 168013381. The next prime is 168013403. The reversal of 168013386 is 683310861.

It is a self number, because there is not a number n which added to its sum of digits gives 168013386.

It is not an unprimeable number, because it can be changed into a prime (168013381) 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, 17775 + ... + 25533.

It is an arithmetic number, because the mean of its divisors is an integer number (11698200).

Almost surely, 2^168013386 is an apocalyptic number.

168013386 is an abundant number, since it is smaller than the sum of its proper divisors (206329014).

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

168013386 is a wasteful number, since it uses less digits than its factorization.

168013386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8171 (or 8165 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 168013386 is about 12961.9977626907. The cubic root of 168013386 is about 551.7994900295.

The spelling of 168013386 in words is "one hundred sixty-eight million, thirteen thousand, three hundred eighty-six".