168449336 has 16 divisors (see below), whose sum is σ = 344555640. Its totient is φ = 76567840.

The previous prime is 168449329. The next prime is 168449353. The reversal of 168449336 is 633944861.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 957011 + ... + 957186.

Almost surely, 2^168449336 is an apocalyptic number.

It is an amenable number.

168449336 is an abundant number, since it is smaller than the sum of its proper divisors (176106304).

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

168449336 is a wasteful number, since it uses less digits than its factorization.

168449336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1914214 (or 1914210 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 168449336 is about 12978.8033346684. The cubic root of 168449336 is about 552.2763354213.

The spelling of 168449336 in words is "one hundred sixty-eight million, four hundred forty-nine thousand, three hundred thirty-six".