168772248 has 112 divisors (see below), whose sum is σ = 486210120. Its totient is φ = 54867456.

The previous prime is 168772237. The next prime is 168772249. The reversal of 168772248 is 842277861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168772249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 250440 + ... + 251112.

Almost surely, 2^168772248 is an apocalyptic number.

168772248 is a gapful number since it is divisible by the number (18) 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 168772248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243105060).

168772248 is an abundant number, since it is smaller than the sum of its proper divisors (317437872).

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

168772248 is an equidigital number, since it uses as much as digits as its factorization.

168772248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 721 counting only the distinct ones).

The product of its digits is 301056, while the sum is 45.

The square root of 168772248 is about 12991.2373544632. The cubic root of 168772248 is about 552.6290088645.

The spelling of 168772248 in words is "one hundred sixty-eight million, seven hundred seventy-two thousand, two hundred forty-eight".