4071522168 has 144 divisors (see below), whose sum is σ = 13387729680. Its totient is φ = 1094823936.

The previous prime is 4071522149. The next prime is 4071522187. The reversal of 4071522168 is 8612251704.

4071522168 is a `hidden beast` number, since 4 + 0 + 71 + 522 + 1 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (4071522149) and next prime (4071522187).

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 polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 131680 + ... + 159632.

It is an arithmetic number, because the mean of its divisors is an integer number (92970345).

Almost surely, 2^4071522168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4071522168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6693864840).

4071522168 is an abundant number, since it is smaller than the sum of its proper divisors (9316207512).

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

4071522168 is a wasteful number, since it uses less digits than its factorization.

4071522168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28006 (or 27982 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 4071522168 is about 63808.4803768277. The cubic root of 4071522168 is about 1596.8064121557.

The spelling of 4071522168 in words is "four billion, seventy-one million, five hundred twenty-two thousand, one hundred sixty-eight".