168145612 has 48 divisors (see below), whose sum is σ = 317191168. Its totient is φ = 77837760.

The previous prime is 168145603. The next prime is 168145613. The reversal of 168145612 is 216541861.

It is not an unprimeable number, because it can be changed into a prime (168145613) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307123 + ... + 307669.

Almost surely, 2^168145612 is an apocalyptic number.

It is an amenable number.

168145612 is a deficient number, since it is larger than the sum of its proper divisors (149045556).

168145612 is a wasteful number, since it uses less digits than its factorization.

168145612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686 (or 684 counting only the distinct ones).

The product of its digits is 11520, while the sum is 34.

The square root of 168145612 is about 12967.0972850519. The cubic root of 168145612 is about 551.9442068863.

The spelling of 168145612 in words is "one hundred sixty-eight million, one hundred forty-five thousand, six hundred twelve".