168949516 has 6 divisors (see below), whose sum is σ = 295661660. Its totient is φ = 84474756.

The previous prime is 168949499. The next prime is 168949523. The reversal of 168949516 is 615949861.

It is a self number, because there is not a number n which added to its sum of digits gives 168949516.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21118686 + ... + 21118693.

Almost surely, 2^168949516 is an apocalyptic number.

It is an amenable number.

168949516 is a deficient number, since it is larger than the sum of its proper divisors (126712144).

168949516 is a wasteful number, since it uses less digits than its factorization.

168949516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42237383 (or 42237381 counting only the distinct ones).

The product of its digits is 466560, while the sum is 49.

The square root of 168949516 is about 12998.0581626641. The cubic root of 168949516 is about 552.8224236825.

The spelling of 168949516 in words is "one hundred sixty-eight million, nine hundred forty-nine thousand, five hundred sixteen".