168783242 has 16 divisors (see below), whose sum is σ = 268365960. Its totient is φ = 79339008.

The previous prime is 168783211. The next prime is 168783253. The reversal of 168783242 is 242387861.

168783242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 129982801 + 38800441 = 11401^2 + 6229^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 168783242.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36188 + ... + 40584.

Almost surely, 2^168783242 is an apocalyptic number.

168783242 is a deficient number, since it is larger than the sum of its proper divisors (99582718).

168783242 is a wasteful number, since it uses less digits than its factorization.

168783242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5545.

The product of its digits is 129024, while the sum is 41.

The square root of 168783242 is about 12991.6604789380. The cubic root of 168783242 is about 552.6410082137.

The spelling of 168783242 in words is "one hundred sixty-eight million, seven hundred eighty-three thousand, two hundred forty-two".