168480645 has 16 divisors (see below), whose sum is σ = 270354240. Its totient is φ = 89594624.

The previous prime is 168480643. The next prime is 168480661. The reversal of 168480645 is 546084861.

It is a cyclic number.

It is not a de Polignac number, because 168480645 - 2¹ = 168480643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 168480597 and 168480606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168480643) 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 15 ways as a sum of consecutive naturals, for example, 10980 + ... + 21389.

It is an arithmetic number, because the mean of its divisors is an integer number (16897140).

Almost surely, 2^168480645 is an apocalyptic number.

168480645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

168480645 is a deficient number, since it is larger than the sum of its proper divisors (101873595).

168480645 is a wasteful number, since it uses less digits than its factorization.

168480645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32724.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 168480645 is about 12980.0094375929. The cubic root of 168480645 is about 552.3105497614.

The spelling of 168480645 in words is "one hundred sixty-eight million, four hundred eighty thousand, six hundred forty-five".