6996572161 has 8 divisors (see below), whose sum is σ = 7250181120. Its totient is φ = 6743786448.

The previous prime is 6996572159. The next prime is 6996572201. The reversal of 6996572161 is 1612756996.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6996572161 - 2¹ = 6996572159 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6996572099 and 6996572108.

It is not an unprimeable number, because it can be changed into a prime (6996572111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188481 + ... + 222526.

It is an arithmetic number, because the mean of its divisors is an integer number (906272640).

Almost surely, 2^6996572161 is an apocalyptic number.

It is an amenable number.

6996572161 is a deficient number, since it is larger than the sum of its proper divisors (253608959).

6996572161 is a wasteful number, since it uses less digits than its factorization.

6996572161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411623.

The product of its digits is 1224720, while the sum is 52.

The square root of 6996572161 is about 83645.5148887255. The cubic root of 6996572161 is about 1912.6188832133.

The spelling of 6996572161 in words is "six billion, nine hundred ninety-six million, five hundred seventy-two thousand, one hundred sixty-one".