168346453 has 24 divisors (see below), whose sum is σ = 194660928. Its totient is φ = 145200000.

The previous prime is 168346447. The next prime is 168346459. The reversal of 168346453 is 354643861.

It is an interprime number because it is at equal distance from previous prime (168346447) and next prime (168346459).

It is not a de Polignac number, because 168346453 - 2¹⁷ = 168215381 is a prime.

It is a super-4 number, since 4×168346453⁴ (a number of 34 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168346459) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 670578 + ... + 670828.

It is an arithmetic number, because the mean of its divisors is an integer number (8110872).

Almost surely, 2^168346453 is an apocalyptic number.

It is an amenable number.

168346453 is a deficient number, since it is larger than the sum of its proper divisors (26314475).

168346453 is a wasteful number, since it uses less digits than its factorization.

168346453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 526 counting only the distinct ones).

The product of its digits is 207360, while the sum is 40.

The square root of 168346453 is about 12974.8392282910. The cubic root of 168346453 is about 552.1638754589.

The spelling of 168346453 in words is "one hundred sixty-eight million, three hundred forty-six thousand, four hundred fifty-three".