6162657561 has 12 divisors (see below), whose sum is σ = 9118729620. Its totient is φ = 4008232320.

The previous prime is 6162657481. The next prime is 6162657563. The reversal of 6162657561 is 1657562616.

6162657561 is a `hidden beast` number, since 6 + 16 + 2 + 6 + 575 + 61 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1646817561 + 4515840000 = 40581^2 + 67200^2 .

It is not a de Polignac number, because 6162657561 - 2²⁵ = 6129103129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6162657563) 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 11 ways as a sum of consecutive naturals, for example, 8350116 + ... + 8350853.

It is an arithmetic number, because the mean of its divisors is an integer number (759894135).

Almost surely, 2^6162657561 is an apocalyptic number.

It is an amenable number.

6162657561 is a deficient number, since it is larger than the sum of its proper divisors (2956072059).

6162657561 is a wasteful number, since it uses less digits than its factorization.

6162657561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16701016 (or 16701013 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 6162657561 is about 78502.5958870151. The cubic root of 6162657561 is about 1833.3948708343.

The spelling of 6162657561 in words is "six billion, one hundred sixty-two million, six hundred fifty-seven thousand, five hundred sixty-one".