8072156528 has 20 divisors (see below), whose sum is σ = 15644033688. Its totient is φ = 4034986560.

The previous prime is 8072156527. The next prime is 8072156627. The reversal of 8072156528 is 8256512708.

It is a super-2 number, since 2×8072156528² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8072156527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5483 + ... + 127178.

Almost surely, 2^8072156528 is an apocalyptic number.

It is an amenable number.

8072156528 is a deficient number, since it is larger than the sum of its proper divisors (7571877160).

8072156528 is a wasteful number, since it uses less digits than its factorization.

8072156528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136472 (or 136466 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 44.

The square root of 8072156528 is about 89845.1808835621. The cubic root of 8072156528 is about 2005.9950556981.

The spelling of 8072156528 in words is "eight billion, seventy-two million, one hundred fifty-six thousand, five hundred twenty-eight".