168490112 has 64 divisors (see below), whose sum is σ = 391875840. Its totient is φ = 70656000.

The previous prime is 168490097. The next prime is 168490121. The reversal of 168490112 is 211094861.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40112 + ... + 44112.

It is an arithmetic number, because the mean of its divisors is an integer number (6123060).

Almost surely, 2^168490112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168490112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195937920).

168490112 is an abundant number, since it is smaller than the sum of its proper divisors (223385728).

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

168490112 is an equidigital number, since it uses as much as digits as its factorization.

168490112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069 (or 4057 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 168490112 is about 12980.3741086303. The cubic root of 168490112 is about 552.3208944235.

The spelling of 168490112 in words is "one hundred sixty-eight million, four hundred ninety thousand, one hundred twelve".