8163285572 has 24 divisors (see below), whose sum is σ = 15392223000. Its totient is φ = 3765816576.

The previous prime is 8163285523. The next prime is 8163285601. The reversal of 8163285572 is 2755823618.

It can be written as a sum of positive squares in 4 ways, for example, as 53202436 + 8110083136 = 7294^2 + 90056^2 .

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, 71054 + ... + 146202.

It is an arithmetic number, because the mean of its divisors is an integer number (641342625).

Almost surely, 2^8163285572 is an apocalyptic number.

It is an amenable number.

8163285572 is a deficient number, since it is larger than the sum of its proper divisors (7228937428).

8163285572 is a wasteful number, since it uses less digits than its factorization.

8163285572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77255 (or 77253 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 8163285572 is about 90350.9024415362. The cubic root of 8163285572 is about 2013.5155896755.

The spelling of 8163285572 in words is "eight billion, one hundred sixty-three million, two hundred eighty-five thousand, five hundred seventy-two".