168299712 has 252 divisors, whose sum is σ = 575934840. Its totient is φ = 46835712.

The previous prime is 168299693. The next prime is 168299723. The reversal of 168299712 is 217992861.

It is a tau number, because it is divible by the number of its divisors (252).

It is a nude number because it is divisible by every one of its digits.

Its product of digits (108864) is a multiple of the sum of its prime divisors (168).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1890964 + ... + 1891052.

Almost surely, 2^168299712 is an apocalyptic number.

168299712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 168299712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287967420).

168299712 is an abundant number, since it is smaller than the sum of its proper divisors (407635128).

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

168299712 is a wasteful number, since it uses less digits than its factorization.

168299712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 168 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 168299712 is about 12973.0378863241. The cubic root of 168299712 is about 552.1127683913.

The spelling of 168299712 in words is "one hundred sixty-eight million, two hundred ninety-nine thousand, seven hundred twelve".