168253272 has 96 divisors (see below), whose sum is σ = 501930000. Its totient is φ = 50492160.

The previous prime is 168253259. The next prime is 168253291. The reversal of 168253272 is 272352861.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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 in 23 ways as a sum of consecutive naturals, for example, 85354 + ... + 87302.

Almost surely, 2^168253272 is an apocalyptic number.

168253272 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 168253272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250965000).

168253272 is an abundant number, since it is smaller than the sum of its proper divisors (333676728).

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

168253272 is a wasteful number, since it uses less digits than its factorization.

168253272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081 (or 2074 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 168253272 is about 12971.2478967908. The cubic root of 168253272 is about 552.0619810679.

The spelling of 168253272 in words is "one hundred sixty-eight million, two hundred fifty-three thousand, two hundred seventy-two".