168077448 has 288 divisors, whose sum is σ = 595408320. Its totient is φ = 42336000.

The previous prime is 168077423. The next prime is 168077597. The reversal of 168077448 is 844770861.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2367253 + ... + 2367323.

It is an arithmetic number, because the mean of its divisors is an integer number (2067390).

Almost surely, 2^168077448 is an apocalyptic number.

168077448 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 168077448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (297704160).

168077448 is an abundant number, since it is smaller than the sum of its proper divisors (427330872).

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

168077448 is a wasteful number, since it uses less digits than its factorization.

168077448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 155 counting only the distinct ones).

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

The square root of 168077448 is about 12964.4686740337. The cubic root of 168077448 is about 551.8696131864.

The spelling of 168077448 in words is "one hundred sixty-eight million, seventy-seven thousand, four hundred forty-eight".