6820611061 has 8 divisors (see below), whose sum is σ = 7764174144. Its totient is φ = 5930965920.

The previous prime is 6820611059. The next prime is 6820611101. The reversal of 6820611061 is 1601160286.

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

It is not a de Polignac number, because 6820611061 - 2¹ = 6820611059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6820611011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13479216 + ... + 13479721.

It is an arithmetic number, because the mean of its divisors is an integer number (970521768).

Almost surely, 2^6820611061 is an apocalyptic number.

It is an amenable number.

6820611061 is a deficient number, since it is larger than the sum of its proper divisors (943563083).

6820611061 is a wasteful number, since it uses less digits than its factorization.

6820611061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26958971.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 6820611061 is about 82586.9908702333. The cubic root of 6820611061 is about 1896.4486812705.

The spelling of 6820611061 in words is "six billion, eight hundred twenty million, six hundred eleven thousand, sixty-one".