6522016081 has 27 divisors (see below), whose sum is σ = 7734988521. Its totient is φ = 5483213064.

The previous prime is 6522016079. The next prime is 6522016093. The reversal of 6522016081 is 1806102256.

The square root of 6522016081 is 80759.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 6522016081 - 2¹ = 6522016079 is a prime.

It is a super-2 number, since 2×6522016081² = 85073387521645197122, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6522016981) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 46920910 + ... + 46921048.

Almost surely, 2^6522016081 is an apocalyptic number.

6522016081 is the 80759-th square number.

6522016081 is the 40380-th centered octagonal number.

It is an amenable number.

6522016081 is a deficient number, since it is larger than the sum of its proper divisors (1212972440).

6522016081 is an frugal number, since it uses more digits than its factorization.

6522016081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 31.

The cubic root of 6522016081 is about 1868.3602620965.

The spelling of 6522016081 in words is "six billion, five hundred twenty-two million, sixteen thousand, eighty-one".