168489612 has 48 divisors (see below), whose sum is σ = 437539200. Its totient is φ = 56071440.

The previous prime is 168489611. The next prime is 168489613. The reversal of 168489612 is 216984861.

168489612 is a `hidden beast` number, since 168 + 489 + 6 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (168489611) and next prime (168489613).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168489611) 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, 109287 + ... + 110817.

It is an arithmetic number, because the mean of its divisors is an integer number (9115400).

Almost surely, 2^168489612 is an apocalyptic number.

168489612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

168489612 is an abundant number, since it is smaller than the sum of its proper divisors (269049588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

168489612 is a wasteful number, since it uses less digits than its factorization.

168489612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563 (or 2555 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 168489612 is about 12980.3548487705. The cubic root of 168489612 is about 552.3203480795.

The spelling of 168489612 in words is "one hundred sixty-eight million, four hundred eighty-nine thousand, six hundred twelve".