168042552 has 64 divisors (see below), whose sum is σ = 446925600. Its totient is φ = 52469760.

The previous prime is 168042541. The next prime is 168042607. The reversal of 168042552 is 255240861.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 97474 + ... + 99182.

Almost surely, 2^168042552 is an apocalyptic number.

168042552 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 168042552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223462800).

168042552 is an abundant number, since it is smaller than the sum of its proper divisors (278883048).

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

168042552 is a wasteful number, since it uses less digits than its factorization.

168042552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976 (or 1972 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 168042552 is about 12963.1227719250. The cubic root of 168042552 is about 551.8314177489.

The spelling of 168042552 in words is "one hundred sixty-eight million, forty-two thousand, five hundred fifty-two".