168465424 has 10 divisors (see below), whose sum is σ = 326401790. Its totient is φ = 84232704.

The previous prime is 168465421. The next prime is 168465449. The reversal of 168465424 is 424564861.

It can be written as a sum of positive squares in only one way, i.e., 92775424 + 75690000 = 9632^2 + 8700^2 .

It is not an unprimeable number, because it can be changed into a prime (168465421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5264529 + ... + 5264560.

It is an arithmetic number, because the mean of its divisors is an integer number (32640179).

Almost surely, 2^168465424 is an apocalyptic number.

It is an amenable number.

168465424 is a deficient number, since it is larger than the sum of its proper divisors (157936366).

168465424 is a wasteful number, since it uses less digits than its factorization.

168465424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10529097 (or 10529091 counting only the distinct ones).

The product of its digits is 184320, while the sum is 40.

The square root of 168465424 is about 12979.4230996605. The cubic root of 168465424 is about 552.2939168478.

The spelling of 168465424 in words is "one hundred sixty-eight million, four hundred sixty-five thousand, four hundred twenty-four".