168742296 has 24 divisors (see below), whose sum is σ = 457010580. Its totient is φ = 56247408.

The previous prime is 168742291. The next prime is 168742313. The reversal of 168742296 is 692247861.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168742291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1171750 + ... + 1171893.

Almost surely, 2^168742296 is an apocalyptic number.

It is an amenable number.

168742296 is an abundant number, since it is smaller than the sum of its proper divisors (288268284).

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

168742296 is a wasteful number, since it uses less digits than its factorization.

168742296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343655 (or 2343648 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 168742296 is about 12990.0845262839. The cubic root of 168742296 is about 552.5963152522.

The spelling of 168742296 in words is "one hundred sixty-eight million, seven hundred forty-two thousand, two hundred ninety-six".