168846489 has 12 divisors (see below), whose sum is σ = 278730816. Its totient is φ = 96483672.

The previous prime is 168846481. The next prime is 168846493. The reversal of 168846489 is 984648861.

It is not a de Polignac number, because 168846489 - 2³ = 168846481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (168846481) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1339989 + ... + 1340114.

It is an arithmetic number, because the mean of its divisors is an integer number (23227568).

Almost surely, 2^168846489 is an apocalyptic number.

It is an amenable number.

168846489 is a deficient number, since it is larger than the sum of its proper divisors (109884327).

168846489 is a wasteful number, since it uses less digits than its factorization.

168846489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2680116 (or 2680113 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 168846489 is about 12994.0943893755. The cubic root of 168846489 is about 552.7100287327.

The spelling of 168846489 in words is "one hundred sixty-eight million, eight hundred forty-six thousand, four hundred eighty-nine".